TroubleshootingSymptom Charts/Hard Drive - 10
Hard Drive
Internal hard drive | 1 | Replace SCSI data cable. |
will not operate; | 2 | Replace hard drive. |
drive doesn’t spin | 3 | Replace power supply. |
| 4 | Replace logic board. Retain customer’s SIMMs. |
Drive does not appear | 1 | Verify that there are no duplicate SCSI device addresses. |
on the desktop | 2 | Clear parameter RAM. Hold down <Command> <Option> <P> |
|
| <R> during startup but before “Welcome To Macintosh” |
| 3 | appears. |
| Verify that drive is initialized. If it isn’t, use “HD SC Setup” | |
| 4 | to initialize drive. |
| Replace SCSI data cable. | |
| 5 | Replace hard drive. |
