Apple powermac g3 blue.white 서비스 매뉴얼
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Troubleshooting
Symptom Charts/System - 37
system software with the CD that came with the unit.
3 Verify software is Power Macintosh compatible (contact
developer). Also, try booting with extensions off to determine
if there are system init problems.
4 Run Disk First Aid.
5 Test for bad memory. Run MacTest Pro in loop mode
overnight to test the memory. If MacTest Pro finds a bad
memory module, or other hardware, replace the hardware in
question with a known-good module.
6 Clear parameter RAM. Hold down Command-Option-P-R
during startup but before “Welcome to Macintosh” appears.
7 Remove all SDRAM DIMMs and try replacing them one at a
time to test. Replace any bad DIMMs.
8 Reset the logic board. Refer to “Resetting the Logic Board”
mentioned earlier in this chapter.
9 Replace logic board.
10 Replace processor module.