Apple Power Macintosh G3 Minitower Dokumentacja Pobierz pdf (Strona 253)

Troubleshooting Symptom Charts/System - 19

Computer begins to

power up, the fan and

hard drive are

spinning, the power

LED is lit, but there

is no video and the

boot chime is followed

by sound of breaking

glass

1 Reseat ROM DIMM.

2 Reseat DRAM DIMMs. (Note: the computer does not ship with

any on-board memory. You must have a DRAM DIMM installed

for the computer to boot properly.)

3 Test for a bad DRAM DIMM by removing the DIMMs one at a

time (replacing each one afterwards). Replace any faulty

DRAM DIMMs.

4 Verify external SCSI cabling is secure.

5 Verify external SCSI devices are good.

Clicking, chirping,

thumping, or rubbing

1 Remove all PCI cards and test unit. If problem does not occur

with cards removed, begin replacing cards one at a time to

determine which card is causing problem. Replace problem

card with known-good card.

2 Remove hard drive. If problem no longer occurs, replace hard

drive with a known-good drive.

3 Replace power supply.

4 Replace processor module.

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Apple Power Macintosh G3 Minitower Dokumentacja Strona 253