Specifications

Troubleshooting Troubleshooting Flowchart—Startup Problems - 32
Troubleshooting Flowchart—Startup Problems
1. Boot with extensions off.
2. Boot with
Disk Tools
Update Driver
.
3. Replace the hard drive.
4. Replace the 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 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 Hard Drive 
Format
can reformat it.
5. Replace the hard drive cable.
6. Replace the hard drive.
7. Replace the logic board.
1. Replace the floppy drive cable.
2. Replace the floppy drive.