Apple G4 manual How to Use the Symptom Charts, Startup

Symptom Charts

How to Use the Symptom Charts

The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the product.

The steps to solve a symptom are listed sequentially. You might not need to perform every step before the symptom is solved. Start with the first step, and then test for the symptom. If the symptom persists, replace any modules you removed, go to the next step, and test again. Continue down the list until the symptom is solved.

Note: Software install and restore procedures are new for the PowerBook G4 (1GHz/867MHz). For new procedures, refer to the read me files that came with the software install and restore DVD disc for the PowerBook G4 (1GHz/867MHz).

Related articles can be found in the Knowledge Base at:

http://kbase.info.apple.com/

Startup

The computer will not power on (no fan movement, hard drive spin up and display is not lit)

1.Remove any connected peripherals.

2.Check that the battery has enough charge to start the computer by pressing the button next to the LEDs on the battery. At least one LED must light solid (not flashing).

3.Connect known-good PowerBook (1GHz/867MHz) power adapter (661-1798) and power cord or plug to a known-good power outlet; make sure the DC plug is firmly inserted. The DC plug should light up, if not, replace DC-in board.

Important: The PowerBook (1GHz/867MHz) power adapter must be used with the PowerBook (1GHz/867MHz) computers. The adapters can be identified by 65W in the name and markings, and the metal securing-stud on the plug connector.

4.Try powering up without the battery installed.

5.Press Caps Lock key to see if light on key comes on. If it does, hold power button down for six seconds to shut down the computer and restart.

Startup Symptom Charts PowerBook G4 (1GHz/867MHz) Troubleshooting - 1