Sun Microsystems 220R manual Disk or CD-ROM Drive Failure, At the system ok prompt, type, Action

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-allcommand 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