1.MOST COMMON MOUSE PROBLEMS.
a.Mouse is not connected into correct port.
b.Mouse is not plugged FIRMLY in the correct port.
c.Mouse ball gets dirty and needs to be cleaned.
d.Software is not setup to use mouse.
e.Mouse is in conflict with another device.
f.Mouse is bad.

2.Error Message “CANNOT FIND PS2 OR SERIAL MOUSE” on startup.
a.Mouse is not connected to correct port.
b.Mouse is connected to wrong port.
c.Mouse is bad.
d.Serial mouse is plugged into a serial port that is disabled in CMOS.

3.Mouse pointer moves in opposite direction from mouse.
a.Mouse is being held upside down.

4.Reach the edge of the desk and the mouse pointer still isn't positioned properly.
a.Lift the mouse off the desk and reposition it so the mouse can be moved. Lifting the mouse will not move the pointer on the screen.

5.Can't find mouse pointer.
a.May be positioned off screen or blended in somewhere. Move the mouse to locate the pointer.
b.Mouse software may not be installed. Would mention during turn on about mouse driver not loading.
c.May be bad mouse or bad serial port.

6.Mouse moves erratically.
a.Make sure the mouse is plugged in FIRMLY.
b.Remove the ball, clean and check the rollers.
c.Surface may be too slick or sticky. Try a different surface or mouse pad.
d.Try the mouse on a different computer. Could be a bad mouse.
e.Does mouse work erratically in both Windows and DOS? Maybe Windows mouse driver is setup incorrectly.

7.Mouse Freezes up and mouse   pointer won’t move on screen.
a.Delete any mouse driver in the system and try to reinstall using the Windows drivers.
b.Uninstall drivers specific to mouse in Autoexec.bat and Config.sys prior to reinstalling.
c.Check for COM port or IRQ conflict. REFER TO DEVICE CONFLICTS SECTION.

8.Problems with mouse pointer after installing video driver in Windows.
a.Disable the hardware cursor by setting the slide bar to the most setting:
CONTROL PANEL / SYSTEM / PERFORMANCE / GRAPHICS
b.Miscellaneous hang-ups are experienced, disable memory mapped I/O by setting the slide bar to the Basic setting.
c.Try the NONE slide bar setting.

9.Long exit leaving Windows and have PS2 style mouse connector.
a. Add to system.ini 386-enh section:
InitPS2mouseatexit=false

10."Growstub errors" when using mouse.
a.Mouse driver not updated when Windows was installed.
b.Reinstall mouse related lines in Autoexec.bat or Config.sys
c.Reinstall mouse driver software.

11.Mouse works in Windows, but not DOS.
a.May need to load mouse driver in DOS. To load:
Go to MSDOS mode.
Type CD\ to load mouse driver from DOS root directory.
Place mouse driver diskette in floppy drive.
Type A: INSTALL or A: SETUP (Whatever loads the mouse driver).
Select the defaults. Say YES if the installation will automatically load the mouse driver in the AUTOEXEC.BAT file.

12.Load a Mouse Driver (Windows).
a.Windows will automatically detect a mouse when the mouse is connected to the computer and the computer is turned on.