Compaq C120 - Troubleshooting

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Troubleshooting
l Nothing appears on the display when power is turned on.
Possible Cause Recommended Action Page
Display contrast
setting
Is too light.
Adjust display contrast
to
a darker setting.
F Page 9
Main batteries are
Dead.
Replace batteries.
F Page 11
l Screen is completely black.
Possible Cause Recommended Action Page
Display contrast
setting Is too dark.
Adjust display contrast
to a lighter setting.
F Page 9
l Nothing happens when the touch screen is pressed.
Possible Cause Recommended Action Page
Touch screen is
Damaged.
Contact your nearest
Compaq authorized
dealer, reseller, or
service provider, or call
1-800-345-1518.
Electrostatic charge
is interfering with
operation.
Reset the C 120/C 140.
F Page 16