upgrading and repairing PCs technicians ... - 400 Bad Request

Mouse Troubleshooting 233
Table 9.13 Alternative Pointing Devices Continued
Device Where Located How Operated Tips and Notes
If you prefer to use a
“real” mouse, disable
the touchpad in the
BIOS, because it can
still be active on some
machines, even when a
mouse is installed.
Trackpoint Small “eraserhead” Gently press Very fast operation
Developed pointing stick surface of because it’s on the keyby
IBM located in middle “eraser” in the board. Licensed by
of keyboard direction you Toshiba as “Accupoint”
want to go. and also found on some
IBM/Lexmark/Unicomp
keyboards and on some
other notebook computer
brands.
Trackball Rollerball placed Roll ball with Popular for some users
below spacebar fingers or thumb who have comfort or
on notebook to move mouse ergonomic issues with
computer; also pointer in mice; are available in
available inte- desired direction. ergonomic shapes as
grated into
desktop keyboards
or as separate
devices
separate devices.
Keep in mind that many notebook computer users use “real” mice
or trackballs when they have room.
Mouse Troubleshooting
If you are experiencing problems with your mouse, you must look
in only two general places—hardware or software. Because mice are
basically simple devices, looking at the hardware takes very little
time. Detecting and correcting software problems can take a bit
longer, however.
Use Table 9.14 to keep your mouse or pointing device in top condition.
Table 9.14 Troubleshooting Mouse and Pointing Device Problems
Symptom Problem Solution
Jerky mouse pointer. Dirt and dust on rollers Remove retainer plate on bottom
and ball or sensor. of mouse, remove ball, and clean
ball and rollers with non-abrasive
solvents such as contact lens
cleaner. Blow dust away from
wheels and sensor. Reassemble
and test.