Apple WS 8150 Manuale Utente

Pagina di 130
 
 Troubleshooting
Symptom Charts/Floppy Drive - 11
 
Floppy Drive
 
Internal floppy drive 
does not operate
1 Replace disk with known-good floppy disk.
2 Replace floppy drive cable.
3 Replace floppy drive.
4 Replace logic board. Retain customer’s SIMMs.
5 Replace power supply.
During system 
startup, disk ejects; 
display shows icon 
with blinking “X”
1 Replace disk with known-good system disk.
2 Clear parameter RAM. Hold down <Command> <Option> <P> 
<R> during startup but before “Welcome to Macintosh” 
appears.
3 Replace floppy drive cable.
4 Replace floppy drive.
5 Replace logic board. Retain customer’s SIMMs.