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6. Troubleshooting
F 771
Perfectly Flat Monitor
If your monitor is not functioning properly, you may be able to solve the problem
by following the suggestions below :
Problem
Blank screen
If the power LED is not lit, push the power switch to turn the
monitor on. If the display unit is powered through the computer,
check that the computer is switched on.
The display unit might be in standby mode. Push one of the
keyboard keys. Check that the keyboard is properly connected to
the computer.
Check that the power cable is correctly connected to the display unit
and to the power outlet.
Error message:
The graphics adapter is set for too high refresh rate or line
OUT OF RANGE
frequency. Select another display mode with lower frequencies in
computer.
Self diagnostics
This message indicates that the signal is missing or faulty. Check
message
that the signal cable connector is properly connected and that the
NO SIGNAL
connection pins are not bent or damaged. If the connector is loose,
tighten the connector's screws.
Possible solution
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