Monitor Troubleshooting - DEC DECpc LPx Service Maintenance Manual

Troubleshooting

Monitor Troubleshooting

Problem Possible Cause
Monitor is turned off.
Monitor power
indicator is not
on Power indicator is defective.
Configuration error.
No screen
display
Monitor brightness and contrast
controls are incorrectly set.
Monitor type incorrectly set.
No monitor
display while
loading
Windows video
drivers
Monitor incorrectly adjusted.
Distorted-
rolling-or
Monitor signal cable incorrectly
flickering
screen display- installed.
or wrong/
uneven color
Color monitor Computer was turned on before
the monitor was turned on.
displaying
monochrome
Video jumper incorrectly set.
Appropriate high-resolution
Monitor fails to
video drivers are not installed or
switch to high-
resolution mode incorrectly installed.
Monitor type incorrectly set.
Monitor display
not centered
while loading
Windows video
drivers
80
Action
Turn on the monitor.
Replace the failed component.
Run the BIOS SETUP UTILITY to configure the
computer for VGA operation.
Set the jumper for VGA operation. Refer to
"Main Logic Board Jumpers".
Adjust the monitor brightness and contrast
controls.
Set the correct monitor type. Refer to appropriate
video driver documentation.
Adjust accordingly.
Straighten any bent connector pins and then
reconnect.
Turn off the computer, turn on the monitor, then
turn the computer back on.
Set the jumper for VGA operation.
Correctly install all appropriate high-resolution
video drivers. Refer to the documentation supplied
with the monitor and/or video drivers.
Set the correct monitor type.
Refer to appropriate video driver documentation.
MCS Logistics Engineering - Nijmegen
Digital DECpc LPx/LPx+