Sun Microsystems 220R Server User Manual


 
150 Sun Enterprise 220R Server Owner’s Guide October 1999
Action
1. Check that the power cord is connected to the monitor and to the wall outlet.
2. Verify with a volt-ohmmeter that the wall outlet is supplying AC power.
3. Verify that the video cable connection is secure between the monitor and the
video output port.
Use a volt-ohmmeter to perform the continuity test on the video cable.
4. If the cables and their connections are okay, then troubleshoot the monitor and
the graphics card.
Disk or CD-ROM Drive Failure
Symptom
A disk drive read, write, or parity error is reported by the operating system or a
software application.
A CD-ROM drive read error or parity error is reported by the operating system or a
software application.
Action
Replace the drive indicated by the failure message.
Symptom
Disk drive or CD-ROM drive fails to boot or is not responding to commands.
Action
Test the drive response to the probe-scsi-all command as follows:
1. At the system ok prompt, type:
ok reset-all
ok probe-scsi-all