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TROUBLE.HLP
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Peter Norton Computing Help
|
1991-08-05
|
52.9 KB
|
1,352 lines
PNCIBHDMK
You turn on the computer but it never boots;
cursor hangs in upper left-hand corner of
display.
Possible explanations:
Partition Table is bad.
DOS System files and/or COMMAND.COM are corrupt.
CONFIG.SYS file is trying to load a corrupt program.
AUTOEXEC.BAT file is trying to load a corrupt program.
The CMOS chip on an AT class computer (80286/386)
contains the wrong hard disk type.
Diagnosing:
A. Place a DOS System disk into the A: drive and
reboot (turn the computer off, then back on again). This
should be the same major version (2.xx, 3.xx, or 4.xx) of
DOS that was used originally to FDISK and FORMAT the hard
disk. Wait until you have the A:> prompt.
If you get a fixed disk error message (usually
accompanied by a number, 17xx) during the booting
process:
Use the SETUP program that came with your computer to
check what kind of hard disk your computer thinks is
installed. Look up the hard disk type number in the Disk
Types for IBM Computers or Disk Types for Compaq
Computers table in the back of the ^uDisk Explorer^u manual
to see if it is correct. Also check the battery that
powers the CMOS chip to see if it is getting low.
Try to access the drive that won't boot (type C: for
example). If you get the DOS prompt for that drive, go to
step B.
If you get an error message that says Invalid drive
specification:
Run the ^bNorton Disk Doctor^b, or
Use the procedure for Partition Table Editing in the
Troubleshooter chapter of the ^uDisk Explorer^u manual to
check and/or fix your Partition Table.
Use the SETUP program that came with your computer to
check what kind of hard disk your computer thinks is
installed. Look up the hard disk type number in the Disk
Types tables at the back of the ^uDisk Explorer^u manual.
Also check the battery that powers this CMOS chip to see
if it is getting low.
B. Type DIR C:. If you get a listing of all your files,
go to step C.
If your file list looks like garbage, or no files
show up:
Run ^bDisk Tools^b, then select ^bRecover from DOS's^b
^bRECOVER^b, or
Use the procedure for Trashed Root Directory Fix in
the Troubleshooter chapter of ^uDisk Explorer^u to
investigate and, if needed, fix your root directory.
C. Boot up without the AUTOEXEC.BAT or CONFIG.SYS
files.
1. Rename your AUTOEXEC.BAT file to AE.BAT:
REN AUTOEXEC.BAT AE.BAT
2. Rename your CONFIG.SYS file to CF.SYS:
REN CONFIG.SYS CF.SYS
3. Press Ctrl-Alt-Del at the same time, to reboot the
computer. If the computer still locks up, go to step D.
If the computer boots up fine and you get the DOS
prompt, then that means that either the AUTOEXEC.BAT or
CONFIG.SYS file is trying to load a corrupt program that
is locking up the computer.
4. Rename the CF.SYS file back to CONFIG.SYS.
5. Press Ctrl-Alt-Del at the same time, to reboot the
computer. If the computer boots up fine and you get the
DOS prompt, then the CONFIG.SYS file is fine but
the AUTOEXEC.BAT file is probably trying to load a
corrupt program. Go to step 7.
If the computer locks up, then there is a corrupt
file that the CONFIG.SYS file is trying to load.
6. Add a colon to the beginning of each of the
commands in your CONFIG.SYS file (so they won't run),
one at a time, to find the bad program by process of
elimination, rebooting between each try.
Example: :device=ansi.sys
When you find the corrupt program, just copy it
back from the original floppy diskette on which it was
distributed.
Reboot the computer. If the computer boots up
fine and you get the DOS prompt, then you're done.
7. Rename the AE.BAT file back to AUTOEXEC.BAT.
8. Add REM to the beginning of each of the commands
in your AUTOEXEC.BAT file (so they won't run),
one at a time, to find the bad program by process of
elimination, rebooting between each try. When you
find the corrupt program, just copy it back from the
original floppy diskette on which it was distributed.
9. Reboot the computer. If the computer boots up
fine and you get the DOS prompt, then you're done.
D. The last thing is to ensure the integrity of the
DOS System files:
Run ^bDisk Tools^b and select ^bMake a Disk Bootable^b, or
Use the procedure for Fixing the DOS System Files
in the Troubleshooter chapter of ^uDisk Explorer^u to
ensure that the two DOS System files and COMMAND.COM
are not corrupt.
# DISKTOOL NDD
You run DOS's ^BCHKDSK^N program and it reports
cross-linked files.
Solution:
Run the ^bNorton Disk Doctor^b and select ^bDiagnose^b
^bDisk^b, or
Use the Recovering Cross-linked Files procedure
found in the Trouble Shooter chapter of the ^uDisk^u
^uExplorer^u manual.
# NDD
You accidentally erased a file, or group of
files.
Run ^bUnErase^b. If you have not written anything to the
disk that contained the erased files, there is a good
possibility for recovery of all your files.
^bUnErase^b can be run from the Norton Utilities distribution
Disk 1 if you need to use it before you have installed the
Norton Utilities onto your hard disk. See the Emergency
UnErase card that came in the Norton Utilities package.
You have erased all the files in a directory,
and then have removed that directory.
Run ^bUnErase^b and select the menu item to search for
lost names (Alt-S L). If you have not written anything to
the disk that contained the erased files, there is a good
possibility for recovery of all your files.
^bUnErase^b can be run from the Norton Utilities distribution
Disk 1 if you need to use it before you have installed the
Norton Utilities onto your hard disk. See the Emergency
UnErase card that came in the Norton Utilities package.
This is the kind of error that you get when a
sector has an inaccurate CRC (cyclical
redundancy check) value or the sector is
physically bad.
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b, or
Use the Lifting Data Off a Bad Disk procedure in the
Troubleshooter chapter of ^uDisk Explorer^u to recover the
data you need.
NOTE: Lifting data off a disk can be a time-consuming
process. Go after only the files that you have not
backed up or don't have copies of elsewhere.
# DISKTOOL CALIBRAT
CHKDSK or some other program reports a bad FAT.
DOS stores two copies of the FAT for each disk. The
undamaged copy of the FAT can be used to fix the damaged
copy of the FAT. See the Disk Editor chapter in ^uDisk^u
^uExplorer^u for information on how to compare the two
copies of the FAT using the split window feature and how
to write one copy of the FAT over the other.
If both copies of the FAT are unusable:
First, backup your computer, if possible.
Run ^bNorton Disk Doctor^b, or
Run ^bUnFormat^b
If you run the ^bImage^b program regularly (as a command
in your AUTOEXEC.BAT file, for example), you have the
best chance of restoring your hard disk when problems
arise.
# UNFORMAT NDD
You cannot recover data from a floppy diskette
that has been formatted with DOS's FORMAT
program.
Formatting a floppy diskette rewrites the data area of
the disk (wipes out all the data), unless you have used
the Norton ^bSafe Format^b program. The ^bSafe Format^b
program does not overwrite the data area of a floppy
diskette. Use the ^bUnFormat^b program to restore a
diskette that's been accidentally formatted with
^bSafe Format^b.
# UNFORMAT
The DOS FORMAT command was accidentally used on
a hard disk and all the data is gone.
Whether or not you have recently run the ^bImage^b program
(it should be run in the AUTOEXEC.BAT file), run the
^bUnFormat^b program.
# UNFORMAT
You know a subdirectory and its contents exist
in the data area of the disk, but you cannot
access the subdirectory or its contents. Or
CHKDSK says you have an invalid directory.
Run ^bNorton Disk Doctor^b, or
Use the procedure for Directory Tree Structure Fix in
the Troubleshooter chapter of ^uDisk Explorer^u to repair
your directory structure.
# NDD
You issue a DOS DIR (Directory) command and only
some of the files on your disk are listed, or
DOS reports Directory Not Processed Past This
Point.
Run ^bNorton Disk Doctor^b, or
Run the ^bDisk Editor^b program to display your directory.
If you see either Not a proper directory entry or Unused
directory entry listed between your missing files and the
beginning of the directory, use the procedure for Fixing
Bad Directory Entries in the Troubleshooter chapter of
^uDisk Explorer^u.
If you only notice a few Unused directory entry messages
listed between your missing files and the beginning of
the directory, count them and use the following
procedure:
1. At the DOS prompt type COPY CON FILE1.FIL <enter>.
2. Hit <spacebar> twice.
3. Hit <F6> and <enter>.
4. Repeat steps 1-3, changing the filename in Step 1 from
FILE1.FIL to FILE2.FIL, etc. Do this as many times as
you counted Unused directory entry messages when you
were in DiskEdit. This will replace all the Unused
directory entry messages interspersed between your
missing files and the beginning of the directory with
valid file names.
5. Delete these temporary files (DEL *.FIL).
# DISKEDIT NDD
This means that the Media Descriptor Byte, located in
the beginning of the FAT of your hard disk or diskette,
has become corrupt.
Run ^bNorton Disk Doctor^b, or
Use the Procedure for Media Descriptor Byte Editing in
the Troubleshooter chapter of ^uDisk Explorer^u.
# NDD
You tried to use the DOS SYS command to replace the
DOS System files on your disk and you received the
message that there wasn't enough room for the system.
Run ^BDisk Tools^B and select ^bMake a Disk Bootable^b, or
Use the Procedure for Fixing DOS System Files in the
Troubleshooter chapter of ^uDisk Explorer^u.
NOTE: The DOS SYS command looks for either a completely
empty root directory, or alternatively, must
find the IBMBIO.COM (or IO.SYS) and IBMDOS.COM (or
MSDOS.SYS) files in the first two directory
entries for the root directory along with the
appropriate FAT entries. If either of these
conditions is not met, you will get the No Room
For System On Destination Disk message. It won't
help you to zero out your Partition Table or delete
the files that are occupying the space where the
two system files are required to be by DOS!
IBMBIO.COM must start in Cluster 2 and must occupy
contiguous clusters at the beginning of the data
area.
IBMDOS.COM must have its starting cluster
immediately following (contiguous to) the last
cluster of IBMBIO.COM. Thereafter, its following
clusters can be located anywhere on the disk.
# DISKTOOL
You just saved a file with the same name as an
old file and realized that you want the old
file's data, but all you can access is the new
file's data.
If you were using the ^bErase Protect^b program, just
run ^bUnErase^b and the old file should be listed, or
Run ^bUnErase^b, pull down the Search menu and select
the search for Data Types (ALT-S D), or
Use the procedure for Overwritten File Fix in the
Troubleshooter chapter of ^uDisk Explorer^u.
NOTE: If you use the ^bErase Protect^b program, you will be
able to recover from this situation automatically.
You ran the DOS RECOVER program and all your
files have been renamed.
Run ^bDisk Tools^b and select ^bRecover from DOS's RECOVER^b,
Use the procedure for DOS's RECOVER Program Fix in
the Troubleshooter chapter of ^uDisk Explorer^u.
# DISKTOOL
You get garbage or no files when you use the DIR
command.
Run ^bDisk Tools^b and select ^bRecover from DOS's RECOVER^b,
Use the procedure for Trashed Root Directory fix in
the Troubleshooter chapter of ^uDisk Explorer^u.
# DISKTOOL
If a disk is so badly damaged that DOS cannot read it,
and the ^bNorton Disk Editor^b reports Error Reading
Disk. Typical error messages include Seek error.. and
Sector not found
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b, or
Use the Lifting Data Off a Bad Disk procedure in the
Troubleshooter chapter of ^uDisk Explorer^u to recover the
data you need.
NOTE: Lifting data off a disk can be a time-consuming
process. Go after only the files that you have not
backed up or don't have copies of elsewhere.
# DISKTOOL CALIBRAT
Explanation:
This message always follows a device error message. The
computer is waiting for you to respond. If you know what
caused the problem (like leaving the floppy drive latch
open), take care of the problem before choosing a
response.
Response:
A Aborts or stops the current operation or the entire
running program. Sometimes this will take you all
the way back to the DOS prompt.
R Retry the operation. This will retry the operation
again. You can use this option after fixing the
problem (like closing the floppy diskette drive door)
or just to try the operation again to get around a
temporary disk error or sharing violation on a network.
I Ignore the error condition and continue the current
operation pretending everything went OK. This is
actually lying to your computer. It is usually
recommended to use the Fail option before trying the
Ignore option.
F Continues with the current operation, but DOS
informs the program using that service that it was not
completed successfully. Use this response before you
try Ignore. The Fail option was added in DOS 3.3; DOS
versions before version 3.3 just have Abort, Retry, or
Ignore.
This error message is often the result of physical damage
to a floppy or hard disk. To correct the physical damage,
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b.
# DISKTOOL CALIBRAT
Explanation:
This is usually caused by one of three things:
Trying to delete a file with a Read-Only attribute.
Trying to overwrite a file with a Read-Only attribute.
Trying to open a subdirectory as a file.
Action:
Make sure you are not trying to open up a
subdirectory as a file, because you can't.
Use the Norton Utilities ^bFileFind^b program to see
if the file has the Read-Only attribute turned on.
If it is, turn it off using the ^bFileFind^b program.
Example: FileFind [filename] /R-
# FILEFIND
Explanation:
The command that you just entered is either:
Not a valid DOS command or the program name was
misspelled, or
A valid DOS command or program name that is not
on the current drive or path.
Action:
Watch your spelling, and make sure you are trying to run
a program from its own directory (if its directory is not
listed in the PATH= statement).
Explanation:
This occurs when the COMMAND.COM file cannot be found on
the disk that DOS is being booted from, or the COMSPEC=
statement (view it by typing SET) points to a disk and/or
directory not containing COMMAND.COM.
Action:
Copy COMMAND.COM onto the disk that is giving you
problems.
Explanation:
The two DOS System files cannot be found.
Action:
Run ^bDisk Tools^b, select ^bMake a Disk Bootable^b, or
Use the procedure for Fixing DOS System files from the
Troubleshooter chapter of the ^uDisk Explorer^u manual.
# DISKTOOL
Explanation:
DOS tried to reload COMMAND.COM but either couldn't find
it or the part of RAM that keeps track of available
memory was destroyed.
Action:
Reboot the computer. If you still get this message,
reboot off of a DOS system floppy diskette and copy
COMMAND.COM to the root directory of your normal bootup
disk.
Explanation:
DOS is unable to read or write the data correctly. This
usually means the disk has developed a defective spot.
Sometimes, however, it is just that the CRC value for
that sector does not match the sum of the data within the
sector.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b.
# DISKTOOL CALIBRAT
Explanation:
Something is corrupt with one or both of the two DOS
system files.
Action:
Run ^bDisk Tools^b and select ^bMake a Disk Bootable^b, or
Use the procedure for Fixing DOS System Files in
the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# DISKTOOL
Explanation:
A program tried to divide a number by zero or there was
an internal logic error that caused a malfunction. This
can also be caused by running the Norton ^bDiskEdit^b program
on a computer that has a disk drive allocated that really
does not exist.
Action:
Sometimes the problem is simply a temporary glitch
in RAM, which rebooting the computer should solve.
If this is caused by running the ^bDiskEdit^b program,
use the /X switch to exclude the drive or drives that
are giving the ^bDiskEdit^b program a problem
(for example, DiskEdit /X:efg to exclude drives
E: through G:).
Explanation:
This problem usually applies to floppy diskettes only.
DOS is reporting that the drive is not ready to accept or
transmit data, probably because the floppy diskette drive
latch is not closed or the floppy diskette is not seated
well.
Action:
Make sure the diskette is seated well and the drive latch
is closed, then see Abort, Retry, Ignore or Fail.
If this is a hard disk, let it cool down for a few hours
and see if the problem goes away. If it does, it means
that a chip on the drive is not able to tolerate heat
very well. Backup the whole disk, subdirectory by
subdirectory, letting the drive cool down between
subdirectories if you need to. Take the disk drive in for
repair.
If cooling the hard disk down doesn't improve the
situation, there is probably a physical problem.
Run ^bCalibrate^b to try to rectify the damaged sector
or track ID bytes, or
Use the procedure for Lifting Data off a Bad Disk
in the Troubleshooter chapter of the ^uDisk Explorer^u
manual, then take the disk drive in for repair.
# CALIBRAT
Explanation:
Either a portion of the file is missing or the file has
become corrupt.
Action:
Copy the EXE file back from the original disk.
Explanation:
A disk error occurred while attempting to load DOS from
the hard disk.
Action:
Run ^bDisk Tools^b and select ^BMake a Disk Bootable^N, or
Use the procedure for Fixing DOS System Files in
the Troubleshooter chapter of the ^uDisk Explorer^u manual.
# DISKTOOL
Explanation:
This is usually due to Sector ID or Track ID byte damage
on a track near the beginning of the disk. This error can
also be caused by a physically damaged disk.
Action:
Run the ^bNorton Disk Doctor^b and select ^bDiagnose^b
^bDisk^b, or
Run ^bCalibrate^b on the damaged disk, then run FDISK
again, or
Use the procedure, Lifting Data off a Bad Disk
from the Troubleshooter chapter of the ^uDisk Explorer^u
manual, to copy any important information from the
damaged disk.
If you still have problems, you have a hardware problem
and you will have to take the disk drive in for repair.
# CALIBRAT NDD
Explanation:
This is due to Sector ID or Track ID byte damage within
track 0 of the hard disk. This error can also be caused
by a physically damaged disk.
Action:
If you have important information still on the
disk, use the procedure for Fixing a Bad Track 0 in the
Troubleshooter chapter of the ^uDisk Explorer^u manual,
Run ^bCalibrate^b on the hard disk, then run FDISK
again. If you still have problems, you have a hardware
problem and you will have to take the disk drive
in for repair.
# CALIBRAT
Explanation:
This message is reporting that a sector in the FAT is
physically bad, and DOS won't touch this sector or any
other sector in the rest of the FAT.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b.
After running ^bDisk Tools^b or ^bCalibrate^b, run ^bNorton Disk^b
^bDoctor^b to insure both copies of the FAT are the same.
# DISKTOOL CALIBRAT
Explanation:
It may be that:
the directory is full, or
the disk is full, or
you tried to over-write a file with a Read-Only
Attribute, or
the disk is physically damaged.
Action:
Copy some files out of the root directory and then delete
them. If this doesn't help, check to see if there is
already a file or directory by the same name as the one
you are trying to create. If there is, use the
Norton Utilities ^bFileFind^b program to check for and
(if necessary) turn off the R/O file attribute so you can
delete or rename the file. If neither of these remedies
works, you may have a physically damaged disk. Run the
^bNorton Disk Doctor^b and select ^bDiagnose Disk^b.
# NDD FILEFIND
Explanation:
A filename mentioned in a command line either
doesn't exist, doesn't exist in the current path
or drive, or is inaccessible due to damage to the
system area of the disk drive.
Action:
Retry the command using the proper filename or
drive/path. If this does not work, then
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Fixing Bad Directory
Entries in the Troubleshooter chapter of the ^uDisk^u
^uExplorer^u manual.
# NDD
Explanation:
DOS reports this error when it can't figure out what went
wrong.
Things to look for are:
1. Diskette type and drive type do not match (1.2M floppy
in 360K drive).
2. Diskette not inserted completely into drive or door
not closed.
3. Disk not properly formatted.
4. Boot Record is damaged.
Action:
See Abort, Retry, Ignore or Fail. Check to make sure
items 1 through 3 are handled. If this doesn't solve the
problem:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Boot Record Editing in the
Troubleshooter chapter of the ^uDisk Explorer^u manual.
# NDD
Explanation:
The disk does not contain enough free space to hold the
file being written.
Action:
Use a new disk, or delete some files off of this disk. If
you suspect that something is going wrong on the disk:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Run DOS's CHKDSK program and look up any messages
it reports (do not use the /F parameter unless you are
sure that it will benefit you).
# NDD
Explanation:
This is either a non-existent drive, a disconnected
drive, or an existing drive with a bad Partition Table
and/or Master Boot Program.
This can also be caused by booting up on a floppy with
DOS Version 2.xx and trying to access a hard disk which
has been formatted with DOS version 3.xx (or 3.xx with
4.xx).
Action:
If you are using consistent versions of DOS and
everything seems to be well connected:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Partition Table Editing in
the Troubleshooter chapter of the ^uDisk Explorer^u manual.
# NDD
Explanation:
While booting up, DOS noticed something invalid in the
partition table.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Partition Table Editing in
the Troubleshooter chapter of the ^uDisk Explorer^u manual.
# NDD
Explanation:
You cannot remove a directory that has files or
subdirectories still in it.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Removing Stubborn Directories
in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
While attempting to bootup off a hard disk, DOS read from
the Partition Table that the disk was bootable, yet the
two DOS System files weren't found.
Action:
Run ^bDisk Tools^b and select ^bMake a Disk Bootable^b, or
Use the procedure for Fixing DOS System Files in
the Troubleshooter chapter of the ^uDisk Explorer^u manual.
# DISKTOOL
Explanation:
The Media Descriptor byte in the File Allocation Table is
invalid.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Media Descriptor Byte
Editing in the Troubleshooter chapter of the ^uDisk^u
^uExplorer^u manual.
# NDD
Explanation:
The disk you are trying to boot from does not have one or
both of the DOS System files on it, or it is a damaged
disk.
Action:
Make sure you don't have a non-DOS diskette in drive A:.
If you are getting this message from a disk that should
be bootable:
Run ^bDisk Tools^b, and select ^bMake a Disk Bootable^b, or
Use the procedure for Fixing DOS System Files in
the Troubleshooter chapter of the ^uDisk Explorer^u manual.
# DISKTOOL
Explanation:
You tried to use the DOS SYS command to replace the DOS
system files on your disk and you received the message
that there wasn't enough room for the system.
The DOS SYS command looks for a completely empty root
directory, or alternatively, needs to find the IBMBIO.COM
(or IO.SYS) and IBMDOS.COM (or MSDOS.SYS) files in the
first two directory entries for the root directory. If
neither of these conditions is met, you will get the
No Room For System On Destination Disk message. It won't
help you to zero out your Partition Table or delete the
files that are occupying the space where the two system
files are required to be by DOS!
Also: IBMBIO.COM must start in Cluster 2 and must occupy
contiguous clusters at the beginning of the data area.
IBMDOS.COM must have its starting cluster immediately
following (contiguous to) the last cluster of IBMBIO.COM.
Thereafter, its following clusters can be located
anywhere on the disk.
Action:
Run ^bDisk Tools^b, and select ^bMake a Disk Bootable^b, or
Use the Procedure for Fixing DOS System Files in
the Troubleshooter chapter of the ^uDisk Explorer^u manual.
# DISKTOOL
Explanation:
This problem usually applies to floppy diskettes only.
DOS is reporting that the drive is not ready to accept or
transmit data, probably because the diskette drive latch
is not closed or the diskette is not seated well.
Action:
See Abort, Retry, Ignore or Fail. Make sure the diskette
is seated well and the drive latch is closed, then press
Retry.
If this is a hard disk, let it cool down for a few hours
and see if the problem goes away. If it does, it means
that a chip on the drive is not able to tolerate heat
very well. Backup the whole disk, subdirectory by
subdirectory, letting the drive cool down between
subdirectories if you need to. Take the disk drive in for
repair.
If cooling the hard disk down doesn't improve the
situation, there is probably a physical problem.
Run ^bCalibrate^b to try to rectify the damaged sector
or track ID bytes, or
Use the procedure for Lifting Data off a Bad Disk
in the Troubleshooter chapter of the ^uDisk Explorer^u
manual, then take the disk drive in for repair.
# CALIBRAT
Explanation:
DOS is unable to read from the disk drive.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b, or
Use the Lifting Data Off a Bad Disk procedure in the
Troubleshooter chapter of ^uDisk Explorer^u to recover the
data you need.
# DISKTOOL CALIBRAT
Explanation:
The sector containing the data could not be located on
the disk. This is usually due to damage to the Sector ID
bytes that are created during a low-level format.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b, or
Use the Lifting Data Off a Bad Disk procedure in the
Troubleshooter chapter of ^uDisk Explorer^u to recover the
data you need.
# DISKTOOL CALIBRAT
Explanation:
DOS is unable to locate the proper track on the disk.
This is usually because of damage to the Track ID bytes
that are created during a low-level format.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b, or
Use the Lifting Data Off a Bad Disk procedure in the
Troubleshooter chapter of ^uDisk Explorer^u to recover the
data you need.
# DISKTOOL CALIBRAT
While booting up the computer, COMMAND.COM (or a DOS
command in general) reported a disk error. You chose to
ABORT. The error was unrecoverable and DOS locked up.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b.
# DISKTOOL CALIBRAT
An attempt was made to write to a write-protected disk.
Action:
Remove the write-protect tab if you want to write on the
disk and press (R) to Retry. If not, press (F) to Fail or
(A) to Abort.
Explanation:
In a subdirectory, the first two entries, (.) and (..),
are not really files, but part of DOS's bookkeeping.
They are pointers to where this subdirectory and its
parent directory are on disk.
The (.) file points to itself (its starting cluster
is the same as the actual cluster location of the
subdirectory "file" on the disk). The (..) file
points to where it came from (its parent directory).
If either the (.) or (..) directory entry has an invalid
starting cluster number, DOS will display this message.
Action:
Run the ^bNorton Disk Doctor^b and select ^bDiagnose^b
^bDisk^b, or
Use the Directory Tree Structure Fix in the
Troubleshooter chapter of the ^uDisk Explorer^u manual.
# NDD
Explanation:
DOS displays this message if one of the switches that you
specified is invalid.
Action:
Re-type CHKDSK using valid switches. The two valid
switches are:
/F fixes errors found in FAT or directory.
/V displays all files and their paths on the
default or specified drive.
Explanation:
Ctrl-Break was entered (or something malfunctioned)
during a disk I/O operation. This is usually a good
indication that there is some directory damage. A lost
chain is a file or a piece of a file that no longer has
a home. In other words, it can't be tracked down from the
root directory.
Action:
Run the ^bNorton Disk Doctor^b, and select ^bDiagnose Disk^b
or, if the number of lost chains equals the total
files you had on your disk, then
Run ^bDisk Tools^b, and select ^bRecover from DOS's^b
^bRECOVER^b, or
Use the procedure for Trashed Root Directory fix
in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
Otherwise, use the procedure for Directory Tree
Structure fix in the Troubleshooter chapter of the ^uDisk^u
^uExplorer^u manual.
# DISKTOOL NDD
Explanation:
An invalid cluster number was found in the FAT. If you
were to run CHKDSK with a /F (don't actually do this),
CHKDSK will change the size of the file (in the
directory) down to the sum of the total remaining valid
clusters.
Action:
Run the ^bNorton Disk Doctor^b, and select
^bDiagnose Disk^b, or
Use the FAT editor in the ^bDiskEdit^b program and
trace the problem file down to its invalid cluster
number(s). Change the invalid cluster number back to
what it should be.
# DISKEDIT NDD
Explanation:
During CHKDSK's scan of the disk, an attempt to CHDIR to
the specified directory failed. All subdirectories and
files under this directory were not verified.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b. Make sure you perform a
Surface Test, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual, or
Use the procedure for Fixing Bad Directory
Entries in the Troubleshooter chapter of the ^uDisk^u
^uExplorer^u manual.
# NDD
Explanation:
During CHKDSK's scan of the disk, an attempt to CHDIR to
the root directory failed.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b.
DOS cannot have a bad sector in any of the system areas
(Root Directory, FAT, Boot Record). If there is, the disk
is damaged and unusable (though a low-level format may
fix it).
Salvage as much data as you can from the disk, by backing
it up to floppies.
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b, or
Use the Lifting Data Off a Bad Disk procedure in the
Troubleshooter chapter of ^uDisk Explorer^u to recover the
data you need.
# CALIBRAT NDD
Explanation:
The file or subdirectory has a corrupt sector.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b.
DOS cannot have a bad sector in any of the subdirectory
sectors. If there is, the subdirectory is damaged
and unusable (though a low-level format may fix it).
Salvage as much data as you can from the disk, by backing
it up to floppies.
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b, or
Use the Lifting Data Off a Bad Disk procedure in the
Troubleshooter chapter of ^uDisk Explorer^u to recover the
data you need.
# CALIBRAT NDD
Explanation:
CHKDSK is reporting that the directory is defective.
The (.) directory entry probably has a wrong starting
cluster number.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
CHKDSK is reporting that the directory is defective.
The (..) directory entry probably has a wrong starting
cluster number.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
For no normal reason, DOS failed to change to the
specified directory.
Action:
Reboot and try again, or
Run the ^bNorton Disk Doctor^b and select ^bDiagnose^b
^bDisk^b, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
The filename preceding this message is fragmented on the
disk.
Action:
Run ^bSpeed Disk^b from the Norton Utilities to make all
the files on the disk contiguous.
# SPEEDISK
Explanation:
The directory is too corrupt to be used by DOS.
Action:
Respond N to this question and run the ^bNorton^b
^bDisk Doctor^b, then select ^bDiagnose Disk^b, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
DOS is reporting that this directory does not have the
proper (.) or (..) directory entries.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
The File Allocation Table specified (1 or 2) is bad and
can't be read.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b.
# DISKTOOL CALIBRAT
Explanation:
The File Allocation Table specified (1 or 2) is bad and
can't be written to. This is usually due to a bad sector
in the FAT area of the disk.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b.
# DISKTOOL CALIBRAT
Explanation:
There is an error in the directory listing of that file.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Fixing Bad Directory Entries in
the Troubleshooter chapter of the ^uDisk Explorer^u manual.
# NDD
Explanation:
This is just informing you that the /F parameter was not
used when using CHKDSK (CHKDSK /F). It is also informing
you that it did indeed find errors.
CHKDSK, without the /F, performs as if it's going to make
changes to the disk, but it's only simulating what it
would do if you used the /F.
Action:
Run the ^BNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Look up the error message CHKDSK reports to find
out what the appropriate action is, or
Re-run CHKDSK using the /F, if you are sure that
this is the best method to correct the problem. Running
CHKDSK /F can often create as many problems as it fixes.
# NDD
Explanation:
DOS is reporting that the specified file is not
contiguous on the disk.
Action:
Run the Norton ^bSpeed Disk^b program to defragment
all the files on the disk.
# SPEEDISK
Explanation:
This indicates that two files think they own the same
cluster. The truth of the matter is that one file really
does own it and the other is confused and thinks it does.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Recovering Cross-Linked
Files in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
This is informing you that the file mentioned contains an
invalid pointer to the data area.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Erase the file and then use the ^bDiskEdit^b program
to recover it. Use the procedure for Overwritten File
Fix from the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
This is informing you that the file mentioned contains an
invalid pointer to the data area.
NOTE: If you specify the /F parameter when using CHKDSK,
the file will be truncated at the last valid
cluster.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Erase the file and then use ^bUnErase^b to fix it.
# NDD
Explanation:
You instructed CHKDSK to create files from the lost
chains it has found, but the root directory is full, and
all the lost chains could not be recovered into files.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b. ^BNorton Disk Doctor^b is much
more intelligent than CHKDSK, especially with lost
chains, or
Use the following procedure:
1. Copy some or all of the recovered files to
another disk.
2. Delete the recovered files from the disk you are
checking.
3. Run CHKDSK again to recover the remainder of the
lost data.
# NDD
Explanation:
This means that the current directory is pointing to a
subdirectory or file that isn't there.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
This means that the subdirectory mentioned has some
invalid information.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# NDD
Explanation:
The Media Descriptor Byte in the FAT has become corrupt.
Action:
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the ^bDiskEdit^b program to fix the byte using
the procedure for Media Descriptor Byte editing in the
Troubleshooter chapter of the ^uDisk Explorer^u manual.
# NDD
Explanation:
The Media Descriptor Byte, located in the FAT, contains
invalid information. The disk is either not a DOS disk
or the Media Descriptor Byte has become corrupt.
Action:
If you did not use the /F parameter, and you reply Y,
CHKDSK will indicate its possible corrective actions
without actually changing the disk. Don't use the /F
parameter.
Run the ^bNorton Disk Doctor^b and select
^bDiagnose Disk^b, or
Use the procedure for Media Descriptor Byte
editing in the Troubleshooter chapter of the ^uDisk^u
^uExplorer^u manual.
# NDD
Explanation:
CHKDSK encountered an error while checking the directory.
Usually the error is caused by a physically bad sector.
Action:
If this is a floppy diskette, run ^bDisk Tools^b and select
^bRevive a Defective Diskette^b, or
If this is a hard disk, run ^bCalibrate^b.
After running either ^BDisk Tools^b or ^bCalibrate^b, run the
^bNorton Disk Doctor^b and select ^bDiagnose Disk^b, or
Use the procedure for Directory Tree Structure
fix in the Troubleshooter chapter of the ^uDisk Explorer^u
manual.
# CALIBRAT DISKTOOL
Possible explanations:
The disk is full.
The filename specified already exists as a hidden
or protected file.
The directory specified does not exist.
If you are on a network, you may not have proper
rights in the directory you specified.
Action:
If the disk is full, you will have to free up
some space on it, or better yet, use a
different disk.
To check if the filename exists as a hidden
file, run the FileFind program.
If the directory does not exist, change to
another directory.
Check with your network supervisor to see
if you have rights to the directory.
# FILEFIND
Explanation:
The filename you entered or selected contained
an invalid character. DOS does not allow any
file or directory names to contain the
following characters:
: ; [ ] < > = / \ . ,
In the case of the backslash (\), DOS allows
it as part of a pathname, but not as part of
a filename.
In the case of the period (.), DOS allows it
as a separator between the filename and its
extension, but not as part of the filename
itself.
Action:
Re-enter the name correctly if you made a typo.
If the filename was corrupted with invalid
characters, run Norton Disk Doctor or do the
"Fixing Bad Directory Entries" procedure
found in the Norton Troubleshooter section of
the Disk Explorer.
# NDD
Explanation:
If the filename you specified used to be a
valid worksheet file, then the file might be
damaged to the point where 123 can no longer
recognize it.
Another possible explanation is that the
filename specified was accidently overwritten
by another application using the same filename.
Action:
It is possible that the disk space occupied by
the file is damaged or the logical structure
of the disk is corrupted. In either case,
your first step should be to run the Norton
Disk Doctor and diagnose the disk. Next,
run FileFix to repair any damage to the file.
If the file has been overwritten, run the UnErase
program and have it search for Lotus 123 data
fragments. Run FileFix to ensure that the
fragments found are put into a valid Lotus file
format, then load them into Lotus.
# NDD FILEFIXL
Explanation:
This message means that because of file corruption,
the entire file could not be loaded.
Action:
It is possible that the disk space occupied by
the file is damaged or the logical structure
of the disk is corrupted. In either case,
your first step should be to run the Norton
Disk Doctor and diagnose the disk.
Next, run FileFix to repair any damage to the
file. After FileFix has finished its repairs,
load the fixed file into Lotus to verify its
contents.
# NDD FILEFIXL
Explanation:
This message means that Lotus cannot tell which
of its versions created the file. Usually,
this message will appear only when there is file
corruption that is preventing Lotus from
recognizing the version.
Action:
Run FileFix to repair any damage to the file.
After FileFix has finished its repairs, load the
fixed file into Lotus to verify its contents
# FILEFIXL
Explanation:
This message indicates that the database record
pointer is positioned before the first record in
the file.
If the database used to be a valid database file,
then the file might be damaged.
Action:
It is possible that the disk space occupied by
the file is damaged or the logical structure
of the disk is corrupted. In either case,
your first step should be to run the Norton
Disk Doctor and diagnose the disk. Next,
run FileFix to repair any damage to the file.
# NDD FILEFIXD
Explanation:
This message means that dBASE cannot find the
file that contains the memo field text for a
database. The text for memo fields are stored
in .DBT files.
The .DBT file may have been erased, or the
directory where it is stored may have been
corrupted.
Another possible explanation is that the
filename specified was accidently overwritten
by another application using the same filename.
Action:
Verify that you are in the directory where the
.DBT file is supposed to be. Then, do one of
the following:
Run ^bUnErase^b and check to see if the filename
is listed as one of the erased files. If it is
listed, recover it.
Use the procedure for Overwritten File Fix in the
Troubleshooter chapter of ^uDisk Explorer^u.
Run ^bNorton Disk Doctor^b.
Run the ^bDisk Editor^b program to display your
directory. If you see either Not a proper directory
entry or Unused directory entry listed between your
missing files and the beginning of the directory,
use the procedure for Fixing Bad Directory Entries
in the Troubleshooter chapter of ^uDisk Explorer^u.
# UE NDD
Explanation:
This message indicates that the database record
pointer is positioned after the last record in
the file.
If the database used to be a valid database file,
then the file might be damaged.
Action:
It is possible that the disk space occupied by
the file is damaged or the logical structure
of the disk is corrupted. In either case,
your first step should be to run the Norton
Disk Doctor and diagnose the disk. Next,
run FileFix to repair any damage to the file.
# NDD FILEFIXD
Explanation:
The configuration file for dBASE, CONFIG.DB,
contains invalid or incorrect values.
Action:
Check the CONFIG.DB file for invalid or incorrect
values. Make sure that there are no key names or
numbers defined that do not exist.
Explanation:
A rename or move operation was attempted on a file
that already exists.
Action:
If the target filename already exists, you will have
to select another filename, or erase the target
filename. Make sure you make a backup copy of the
file if you choose to erase it.
If you are on a network, you may not have proper
rights in the directory you specified.
Possible Explanations:
The disk is full.
The filename specified already exists as a hidden
or protected file.
The directory specified does not exist.
If you are on a network, you may not have proper
rights in the directory you specified.
The filename you entered or selected contained
an invalid character. DOS does not allow any
file or directory names to contain the
following characters:
: ; [ ] < > = / \ . ,
In addition, dBASE does not allow the following
characters in filenames:
+ " ? *
Action:
If the disk is full, you will have to free up
some space on it, or better yet, use a
different disk.
To check if the filename exists as a hidden
file, run the FileFind program.
If the directory does not exist, change to
another directory.
Check with your network supervisor to see
if you have rights to the directory.
If the filename was corrupted with invalid
characters, run Norton Disk Doctor or do the
"Fixing Bad Directory Entries" procedure
found in the Norton Troubleshooter section of
the Disk Explorer.
# NDD
Explanation:
dBASE could not LOAD a file because the file is
either not available, or it has been corrupted.
The directory structure may also be corrupted.
Action:
Verify that you are in the directory where the
file is supposed to be. Then, do one of the
following:
Run ^bUnErase^b and check to see if the filename
is listed as one of the erased files. If it is
listed, recover it.
Run ^bNorton Disk Doctor^b to check for directory
and/or file corruption.
Run the ^bDisk Editor^b program to display your
directory. If you see either Not a proper directory
entry or Unused directory entry listed between your
missing files and the beginning of the directory,
use the procedure for Fixing Bad Directory Entries
in the Troubleshooter chapter of ^uDisk Explorer^u.
# UE NDD
Explanation:
If you receive this error message, it means that
there is an internal problem with dBASE. This
may be the result of disk and/or file corruption
with dBASE or with the data files being used.
Action:
Run ^bNorton Disk Doctor^b to check for directory
and/or file corruption.
Re-Install dBASE from your original disks.
# NDD FILEFIXD
Explanation:
If you receive this error message, it means that
there is an internal problem with dBASE. This
may be the result of disk and/or file corruption
with dBASE or with the data files being used.
This error might also appear during execution of an
extremely complex expression.
Action:
Run ^bNorton Disk Doctor^b to check for directory
and/or file corruption.
Try to free up more memory and eliminate potential
conflicts by removing memory resident software.
Check your database files for damaged data using
^bFileFix^b.
Erase and recreate the index files.
Re-Install dBASE from your original disks.
# NDD FILEFIXD
Explanation:
This message indicates that there is not enough
memory available to satisfy dBASE's requirements.
dBASE requires a minimum of 256K, but more memory
is required if you shell to DOS, or if you are
loading large files.
Action:
Try to free up more memory by removing any device
drivers and/or memory resident software that are not
necessary for the operation of your system.
If you have a 386- or 486-class machine, use a memory
manager to load device drivers and memory resident
programs into high memory. All TSR's and device
drivers in the Norton Utilities will automatically
load themselves into high memory.
Explanation:
This message appears when dBASE encounters a line
that is longer than 254 characters. This could be
the result of file corruption of the database file.
Some dBASE compatible applications, such as Clipper,
can have line lengths longer than 254 characters,
and the database file may have been created with one
of those applications.
Action:
If the database file is a true dBASE file,
it is possible that the disk space occupied by
the file is damaged or the logical structure
of the disk is corrupted. In either case,
your first step should be to run the Norton
Disk Doctor and diagnose the disk. Next,
run FileFix to repair any damage to the file.
# NDD FILEFIXD
Explanation:
This message means that you tried to enter a
path that was more than 60 characters long.
Action:
Enter a path that is 60 characters or less. DOS
will not allow pathnames greater than 64 characters.
Explanation:
This message means that a field width is causing
the record length to exceed 4,
0 bytes, or the
total of all field sizes exceeds 4,
0 bytes.
This message could result from a corrupted
database header.
Action:
It is possible that the disk space occupied by
the file is damaged or the logical structure
of the disk is corrupted. In either case,
your first step should be to run the Norton
Disk Doctor and diagnose the disk. Next,
run FileFix to repair any damage to the file.
# NDD FILEFIXD
Explanation:
This message means that dBASE cannot recognize
the database file as being a dBASE database. This
message could result if the database file or the
disk where the file is located have been damaged.
Action:
If the database file is a true dBASE file,
it is possible that the disk space occupied by
the file is damaged or the logical structure
of the disk is corrupted. In either case,
your first step should be to run the Norton
Disk Doctor and diagnose the disk. Next,
run FileFix to repair any damage to the file.
# NDD FILEFIXD
Explanation:
This message indicates that the database record
pointer tried to access a record number greater
than the number of records in the database file.
If the database used to be a valid database file,
then the file might be damaged.
Action:
It is possible that the disk space occupied by
the file is damaged or the logical structure
of the disk is corrupted. In either case,
your first step should be to run the Norton
Disk Doctor and diagnose the disk. Next,
run FileFix to repair any damage to the file.
# NDD FILEFIXD
Explanation:
This message indicates that the maximum of 15 files
open at once has been exceeded.
This condition can also be caused if the FILES=
setting in the CONFIG.SYS file is set to less
than 20.
Action:
Verify that the FILES= setting in CONFIG.SYS is at
least 20.
Explanation:
This message means that a pathname was entered using
"..\" as as part of the path name. This is normally
valid under DOS, but dBASE will not accept it.
Action:
Retry, using the full pathname.