General Troubleshooting; Table 4-1 System Troubleshooting (Continued) - Digital Equipment AlphaStation 500 Series User Information

Troubleshooting

General Troubleshooting

Tables 4-1 through Table 4-4 list how to identify and solve problems that could occur with
your system, disk drive, and monitor.
Table 4-1 System Troubleshooting
Problem
Power indicator not on.
Power is on, but there is no
screen display.
4-2 AlphaStation 500 Series User Information
Possible Cause
System is not plugged in.
No power at the wall outlet.
Power supply failure.
Internal power supply cables
not reconnected after
installing options.
Removable side panel not
installed properly.
Brightness and contrast
controls are not correctly
set.
Monitor is off.
Monitor cable or power cord
is incorrectly installed.
Configuration error. SRM
console may be set directly
to "Serial."
Monitor is defective.
Defective video controller
module.
Action
Turn off the system, plug it in,
and then turn it back on again.
Use another wall outlet.
Contact your service
representative.
Reconnect cables.
Reinstall removable side panel.
Adjust the brightness and con-
trast controls.
Turn on the monitor.
Check all monitor connections.
Set the SRM console to
"Graphics." Use the set
console_graphics command.
See pp. A-1 and A-2. Refer to
the video module documentation
for more information.
Try another monitor.
Replace the video module.