Apple G3, 3400C/200 manual Symptom Charts/Miscellaneous, Troubleshooting Flowchart-Startup Problems

Troubleshooting Symptom Charts/Miscellaneous - 34

Troubleshooting Flowchart—Startup Problems

1	Go to
	Start

Does		Does
the	No
		the flashing No
PowerBook continue
		question mark
to boot to the
		appear?
desktop?
Yes			Yes

1.Boot with extensions off.

2.Boot with Disk Tools Update Driver.

3.Replace the hard drive.

4.Replace the logic board.

1.Reset PRAM.

2.Boot from Disk Tools.

3.If hard drive appears, reinstall system software.

4.If hard drive doesn't appear,see ifHard Drive Format can reformat it.

5.Replace the hard drive cable.

6.Replace the hard drive.

7.Replace the logic board.

Do the

trackpad and No keyboard function?

Yes

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.

Insert a known-good disk into the floppy disk drive and try to initialize it.

Does the	No
disk
initialize?

1.Replace the floppy drive cable.

2.Replace the floppy drive.

Yes

END