Apple powermac g3 blue.white Servicehandbuch

 Troubleshooting

Symptom Charts/Hard Drive - 49

Single internal hard 

drive does not 

operate; drive doesn’t 

spin

1 Check if you can see the drive using Drive Setup from 

MacTest Pro. Reinstall the software drivers for the hard 

drive. 

2 Check all cable connections to the hard drive.

3 Replace hard drive data cable.

4 Verify hard drive power cable is OK. Try another power 

cable, such as P5, P2, or P3.

5 Replace hard drive. If problem resolved, reinstall IDE device 

driver and system software.

6 Replace power supply.

No internal SCSI 

drives operate 

1 Verify there are no duplicate SCSI device addresses on a 

single SCSI bus. 

2 Disconnect external SCSI devices and check for proper 

termination. 

3 Check internal SCSI devices for proper termination.