Digital Equipment DECstation 5000/100 Series, Maintenance Manual

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WS33M098
No
Yes
Yes
The problem is in the graphics
hardware. Make sure the video
cable is connected properly.
No
Press the halt button.
Is there a VT320 terminal
available to use as an
alternate terminal?
Yes
No
Does the system enter
console mode after you enter
the shutdown command?
Refer to "Troubleshooting When
the Power-Up Self-Test Does Not
Complete" to troubleshoot.
Turn on the system unit power
and check the diagnostic LED
display.
End
If the problem persists, shutdown
the system software. Type
/etc/shutdown -h +5
Return.
and press
A
(Continued)
B
(Continued)
(Continued)
Is ULTRX running?
Turn the system power off and
then back on. If the system
attempts to reboot, press the
halt button, and disconnect the
boot disk from the SCSI bus to
which the disk is connected.
Figure 4-17. Troubleshooting when ULTRIX is running but the monitor has
no display
Identifying Failed FRUs 4–45