Registry Guide for Windows Registry Guide for Windows
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Registry tweaks, tricks & hacks to optimize, enhance and secure Microsoft Windows.

Change Mouse Wheel Scroll Settings (All Windows)
Category: Home > Hardware > Mice and Keyboards

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This tweak determines the number of lines scrolled for each rotation of the mouse wheel on a Microsoft IntelliMouse (or compatible) when no modifier keys (such as [Ctrl] or [Shift]) are pressed.

If the value of this entry is 0, the screen will not scroll when the mouse wheel is turned. If the value of this entry is greater than the number of lines visible in the window, the screen will scroll up or down by one page. To direct Windows NT to interpret all wheel rotations as page-up or page-down commands, set the value of this entry to 0xffffffff.

Registry Editor Example
|NameTypeData|
|(Default)REG_SZ(value not set)|
|WheelScrollLinesREG_SZ"3"|
-
|HKEY_CURRENT_USER\Control Panel\Desktop|
-

Settings:
User Key: [HKEY_CURRENT_USER\Control Panel\Desktop]
Name: WheelScrollLines
Type: REG_SZ (String Value)
Value: 0 - 0xFFFFFFFF

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last Modified: October 12, 2002

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