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Troubleshooting PowerBook 500 Series Startup Problems Flowchart/PowerBook
PowerBook 500 Series Startup Problems Flowchart
(continued)
1. Replace the
daughterboard.
2. Replace the
motherboard.
END
Does
the desktop
appear?
No
Yes
No
Yes
No
Do the
trackball and
keyboard
function?
1. Reset the power manager.
2. Check the cables.
3. Replace the trackball (or track-
pad).
4. Replace the keyboard.
5. Replace the interconnect board.
6. Replace the daughterboard.
7. Replace the motherboard.
Yes
Does
the disk icon with
the flashing question
mark remain on the
screen?
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 parameter RAM.
2. Use HD SC Setup to update the SCSI driver.
3. Reinstall System Software.
4. Replace the internal hard drive cable.
5. Replace the hard drive.
6. Replace the motherboard.
7. Replace the daughterboard.
1. Replace the floppy drive cable.
2. Replace the floppy drive.