Compaq DC7600 Troubleshooting Guide - Page 40

Solving Keyboard Problems, Num Lock, Problem, Cause, Solution, Windows logo, Start, Shut Down, Enter

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Troubleshooting Without Diagnostics Solving Keyboard Problems (Continued) Problem Cause Cursor will not move using the arrow keys on the keypad. The Num Lock key may be on. Solution Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys. The Num Lock key can be disabled (or enabled) in Computer Setup. Solving Mouse Problems Problem Cause Mouse does not respond to movement or is too slow. 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. Solution Shut down the computer using the keyboard. 1. Press the Ctrl and Esc keys 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 the Enter key. 3. Use the up or down arrow key to select the Shut Down option and then press the Enter key. 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 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. 2-28 www.hp.com Troubleshooting Guide

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2–28
www.hp.com
Troubleshooting Guide
Troubleshooting Without Diagnostics
Cursor will not move using
the arrow keys on the
keypad.
The
Num Lock
key
may be on.
Press the
Num Lock
key. The
Num Lock light should not be on if
you want to use the arrow keys. The
Num Lock
key can be disabled
(or enabled) in Computer Setup.
Solving Keyboard Problems
(Continued)
Problem
Cause
Solution
Solving Mouse Problems
Problem
Cause
Solution
Mouse does not respond to
movement or is too slow.
Mouse connector is
not properly plugged
into the back of the
computer.
Shut down the computer using the
keyboard.
1. Press the
Ctrl
and
Esc
keys 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 the
Enter
key.
3. Use the up or down arrow key
to select the
Shut Down
option and then press the
Enter
key.
4. After the shutdown is complete,
plug the mouse connector into
the back of the computer (or the
keyboard) and restart.
Program in use has
stopped responding
to commands.
Shut down the computer using the
keyboard then restart the computer.
Mouse may need
cleaning.
Remove the roller ball cover on the
mouse and clean the internal
components.
Mouse may need
repair.
See the Worldwide Limited
Warranty for terms and conditions.