If Your Keyboard Does Not Work; If Your Mouse Does Not Work - HP Vectra VEC 7 User Manual

3 Troubleshooting Your PC
If Your PC Has a Hardware Problem
Other Display Problems
If the display image is not aligned with the screen, use the display's
controls to center the image (refer to the display manual for
instructions). Check your display manual to find out which refresh rate
is required. Use your operating system's display control panel to select
the correct refresh rate.

If Your Keyboard Does Not Work

Check that the keyboard is correctly connected to the PC (check
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that you have not used the mouse connector by mistake).
Check that no keys are stuck on the keyboard. If a key is stuck,
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release it by gently nudging it with your finger.
Check that no liquids have been spilled on the keyboard. If this is the
•
case, get your keyboard repaired or replace it.

If Your Mouse Does Not Work

Check that the mouse is correctly connected to the PC (check that
•
you have not used the keyboard connector by mistake).
Check that the mouse driver supplied with the preloaded software is
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installed correctly.
Clean the mouse ball and rollers as shown in the figure below (use a
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non-residual contact cleaner).
Cleaning the mouse rollers
36 English
Cleaning the mouse ball