HP computer Troubleshooting And Maintenance Manual page 9

Symptom
Mouse (with cable) does
not work or is not
detected.
Cursor does not move
using the arrow keys on
the number keypad.
Cursor does not respond
to mouse movement.
ENWW
Possible solution
Unplug and reconnect the mouse cable to your computer.
If the mouse is still not detected, turn off the computer, unplug and reconnect the mouse cable, and then restart
the computer.
Press Num Lock on the keyboard to turn off Num Lock, so that the arrow keys on the number keypad can be
used.
Use the keyboard to save changes in all open programs, and then restart your computer:
1.
Press the Alt+Tab keys simultaneously to navigate to an open program.
2. Press Ctrl+S simultaneously to save your changes in the selected program (Ctrl+S is the keyboard shortcut
for Save on most—not all—programs).
3.
Repeat step 1 and step 2 to save changes in all open programs.
4.
After saving changes in all open programs, press the Ctrl+Esc keys on the keyboard simultaneously to
display the Windows Start menu.
5. Use the arrow keys to select the Arrow button that is next to Shut Down. Select Shut Down, and then
press Enter.
6.
After the shutdown is complete, unplug and reconnect the mouse connector to the back of your computer,
and then restart your computer.
Keyboard and mouse (with cable)
5