User Guide

Troubleshooting Symptom Charts/ Memory Error Dialog Box - 23
Memory Error Dialog Box
An error dialog
message appears
pertaining to memory
after you have a
successful startup
sequence
Run Mac TestPro to locate the bad SDRAM. Replace the SDRAM
with a known-good SO-DIMM.
Flashing Question Mark
A flashing question
mark appears on the
screen during
startup.
1 Corrupted system software or software drivers. Boot from
the system CD that came with the unit. Can you see the hard
drive on the desktop?
Yes: The system software is most likely the problem. Reinstall
system software. (You must use the system software CD that
came with the unit to get the correct version of Mac OS .)
No: The hard drive or its software drivers are most likely the
problem. Can you see the hard drive using Drive Setup?
- Yes: Use Drive Setup 1.5.1 to reinstall the software
drivers for the hard drive. If the problem persists,
use Drive Setup 1.5.1 to reinitialize the hard drive
(See TIL article #22206 for Drive Setup information.)
Warning: You will lose all data on the hard drive when you
reinitialize it. Backup the data first if possible.
-
No: Go to next step.
2 If you don’t see the hard drive using Drive Setup 1.5.1:
- Check all cable connections to and from the hard drive.
- Replace the hard drive/CD data cable.
- Replace the hard drive.
- Replace the hard drive power cable.
3 Replace the logic board.