HP Compaq dx7300 MT Reference Manual page 205

Solving Keyboard and Mouse Problems (Continued)
Problem
Mouse does not respond to
movement or is too slow.
Mouse will only move
vertically or horizontally, or
movement is jerky.
Service Reference Guide, dx7300
Cause
Mouse connector is
not properly plugged
into the back of the
computer.
Program in use has
stopped responding
to commands.
Mouse may need
cleaning.
Mouse may need
repair.
Wireless device error.
Computer is in
standby mode.
Mouse roller ball or the
rotating encoder shafts
that make contact with
the ball are dirty.
43361 1-001
Troubleshooting Without Diagnostics
Solution
1. Press Ctrl and Esc at the same
time (or press the Windows
logo key) to display the Start
menu.
2. Use the up or down arrow key
to select Shut Down and then
press Enter.
3. Use the up or down arrow
key to select the Shut Down
option and then press Enter.
4. After the shutdown is complete,
plug the mouse connector into
the back of the computer (or the
keyboard) and restart.
Shut down the computer using the
keyboard and then restart the
computer.
Remove the roller ball cover on the
mouse and clean the internal
components.
See the Worldwide Limited
Warranty for terms and conditions.
1. Check software, if available, for
device status.
2. Check/replace device batteries.
3. Reset receiver and mouse.
Press the power button to resume
from standby mode.
When attempting to resume
Ä
from standby mode, do
not hold down the power
button for more than four
seconds. Otherwise, the
computer will shut down
and you will lose any
unsaved data.
Remove roller ball cover from the
bottom of the mouse and clean the
internal components with a mouse
cleaning kit.
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