Disk Or Cd-Rom Drive Failure - Sun Microsystems Sun Enterprise 220R Owner's Manual

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
150 Sun Enterprise 220R Server Owner's Guide • October 1999