HP A1210n - Pavilion - 512 MB RAM Troubleshooting Manual page 19

Keyboard and Mouse (continued )
Symptom
Mouse does not
respond to movement
or is too slow.
Mouse moves only
vertically or horizontally.
Mouse does not work after
installation or is not
detected.
Optical mouse does not
track cursor well.
Mouse cursor moves
too fast.
Possible cause
Mouse connector is not
properly plugged into the
back of the PC.
Program in use has stopped
responding to commands.
Surface in use for rollerball-
type mouse is too smooth.
Mouse rollerball is dirty.
Mouse is damaged.
Mouse is not connected
properly.
Wireless mouse batteries
are low or empty.
The optical sensor uses the
pattern of the surface to
track the position of the
cursor. Reflective surfaces,
grooved surfaces, glass, or
other see-through surfaces
inhibit the ability of the
sensor to track the cursor.
Mouse sensor is dirty.
The wireless mouse moves
the cursor more quickly than
a standard mouse.
Solution
Turn off your PC using the keyboard:
Press the Ctrl and Esc keys on the keyboard at the same
1
time to display the Start menu.
Use the up arrow or down arrow key to select Turn
2
Off Computer, and then press the Enter key on
the keyboard.
Use the up arrow or down arrow key to select Turn Off,
3
and then press the Enter key.
After the shutdown is complete, plug the mouse connector
into the back of your PC, and turn on your PC.
Restart your PC by using the keyboard. If possible, save any
open files and close open applications before restarting.
Use a mouse pad or other rough surface for the mouse.
Remove rollerball cover from bottom of mouse and clean the
ball with a damp, lint-free cloth (not paper).
Press the Help ? button on the keyboard to open the Help
and Support Center, or refer to the Warranty and Support
Guide to contact Support for replacement details.
Try unplugging and then reconnecting the mouse cable to
your PC.
Replace the batteries in the mouse. Refer to the
documentation that came with your wireless set.
Place the mouse on a mouse pad or white sheet of paper.
Wipe the light sensor lens on the bottom of the mouse with a
lint-free cloth (not paper).
Adjust the mouse speed in Windows.
PC Troubleshooting Guide
15