Apple performa 630 series Servicehandbuch

 

 Troubleshooting

Symptom Charts/Peripheral - 13

 

Works with internal 

or external SCSI 

device but does not 

work with both

1 Verify that SCSI select switch on external device is set to 

different priority from internal CD-ROM drive.

2 Verify that both ends of external SCSI device are terminated.

3 Replace terminator on external device.

4 Verify that terminator is installed on internal SCSI drive.

5 Replace SCSI select cable (on external SCSI device).

Cursor does not move

1 Reboot system.

2 Check mouse connection.

3 If mouse was connected to keyboard, connect mouse to rear 

ADB port and disconnect keyboard. If mouse works, replace 

keyboard.

4 If mouse does not work in ADB port, replace mouse.

5 Reseat logic board.

6 Replace logic board. Retain customer’s SIMMs.