Event Message:

An error occurred while trying to determine the number of mouse buttons.

Source Event Log Event ID Event Type
i8042prt System 34 Error

Explanation:

This event record indicates that this mouse might be damaged, or the connections to it might be loose. It is also possible that the mouse port itself might be damaged.

User Action:

Check the connections. If you still get this message, try using a different mouse. If that does not correct the problem, try substituting a serial mouse.