Apple macintosh iivx.vi.perf 600 Servicehandbuch
Troubleshooting
Symptom Charts/Peripherals - 8
Peripherals
Works with internal
or external SCSI
device, but does not
work with both
1 Verify that SCSI select switch on any external device is set
differently from any internal SCSI device.
2 Verify that hard drive is terminated but optional CD-ROM is
not terminated.
3 Replace terminator on external SCSI device.
4 Replace SCSI select cable on external SCSI device.
Cursor does not move
1 Reboot computer.
2 Verify that mouse is connected properly.
3 If mouse was connected to keyboard, connect mouse to
computer ADB port instead. If mouse works, replace
keyboard.
4 If mouse does not work in any ADB port on computer, replace
mouse.
5 Replace logic board. Retain customer’s SIMMs.