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Troubleshooting
Table 3–1 (Cont.) Troubleshooting Table
Symptom
Possible Cause
Recommended Action
The monitor, power
cable, or signal cable is
faulty.
If the monitor has a power light
emitting diode (LED), check that it
is on. If it is off, the power cable is
probably faulty. Replace the power
cable.
Swap the cables and then the
monitor to check if they are faulty.
Connect the cables and the monitor
to another system. If the monitor
and cables work on another
system, the QVision controller
or the system unit is faulty. See
the DECpc AXP 150 and DEC
2000 Model 300 AXP Customer
Technical Information manual for
more information.
The monitor or the
system is not switched
on.
Check that the monitor and the
system are both switched on.
The brightness and
contrast controls on
the monitor are set
incorrectly.
Set the brightness and contrast
controls to the correct settings.
See the monitor documentation for
more information.
The system power-up
test displays a VGA
error.
The QVision controller
is faulty.
See the DECpc AXP 150 and DEC
2000 Model 300 AXP Customer
Technical Information manual
for information on testing option
boards.
The system board is
faulty.
See the DECpc AXP 150 and DEC
2000 Model 300 AXP Customer
Technical Information for more
information. If the problem
persists, contact your system
administrator.
3–2 Troubleshooting