Troubleshooting Symptom Charts/Miscellaneous - 39
PowerBook G3 Series Troubleshooting
Flowchart (continued)
1. Boot with extensions off.
2. Boot with
Disk Tools
Update Driver
.
3. Replace the hard drive.
4. Replace the I/O logic
board.
END
Does
the
PowerBook continue
to boot to the
desktop?
No
Yes
No
Yes
No
Do the
trackpad and
keyboard
function?
1. Reset PRAM.
2. Check the trackpad and
keyboard cables.
3. Replace the trackpad and
keyboard cables.
4. Replace the trackpad.
5. Replace the keyboard.
6. Replace the PMU board.
7. Replace the I/O logic board.
Yes
Does
the flashing
question mark
appear?
1
Go to
Start
Insert a known-good disk
into the floppy disk drive
and try to initialize it.
No
Does the
disk
initialize?
Yes
1. Reset PRAM.
2. Boot from
Disk Tools
.
3. If hard drive appears, reinstall system software.
4. If hard drive doesn't appear,see if
Drive Setup
can reformat it.
5. Replace the hard drive connector card.
6. Replace the hard drive.
7. Replace the I/O logic board.
1. Replace the floppy drive cable.
2. Replace the floppy drive.
