Macintosh SE - Hard Drive Symptom Charts

Troubleshooting Symptom Charts/Hard Drive - 11
Hard Drive
Internal or external
hard drive does not
operate
1 Verify that SCSI loopback card is not attached.
2 Replace hard drive data cable.
3 Replace hard drive.
4 Replace logic board. Retain customer’s SIMMs.
Works with internal
or external SCSI
device but not with
both
1 Verify SCSI device switch setting on external device.
2 Replace terminator on external device.
3 Verify that terminator is installed on internal hard drive.
4 Replace hard drive select cable.