Digital Equipment Celebris FX, Service Maintenance Manual

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Troubleshooting
4-24
Problem Possible Cause Action
No monitor display while
loading Windows video
drivers. Wrong Windows driver
loaded. Load the correct video driver.
Distorted, rolling, or
flickering screen display, or
wrong/
uneven color. Monitor incorrectly
adjusted. Adjust accordingly.
Monitor signal cable
incorrectly installed. Straighten any bent connector pins
and then reconnect.
Color monitor displaying
monochrome. Computer was turned
on before the monitor
was turned on. Turn off the computer, turn on the
monitor, then turn the computer back
on.
Monitor type incorrectly
set. Run the BIOS Setup utility and set the
monitor type to “Color.”
Monitor fails to switch to
high-resolution mode. Appropriate high-
resolution video drivers
are not installed or
incorrectly installed. Correctly install all appropriate high-
resolution video drivers. Refer to the
documentation supplied with the
monitor.
Monitor display
disappears. Screen display sized
incorrectly. Correctly size screen display.