PowerBook G4: Computer Shuts Down Unexpectedly

  • Last Modified: July 01, 2004
  • Article: TA27261
  • Old Article: 88095
A PowerBook G4 computer may randomly or unexpectedly shut down or shuts off if the reset button is pressed or if the battery is not correctly inserted.

Products Affected

PowerBook G4

Symptom

The computer shuts down when:
  • It is running and the display is opened or closed.
  • It is running and is picked up or handled.
  • It is sleeping and the display is opened.


Solution
  • Verify the reset button is not depressed (see Figure 1).


Figure 1 Reset button in normal position

If it is depressed (see Figure 2), press a paper clip on the center of the button to dislodge it, ensure the button moves freely in the opening.

Figure 2 Reset button depressed

  • Verify the battery is firmly inserted, and the battery latch is engaged.
  • If the issue continues after checking the position of the button and the battery, contact Apple for further technical assistance.


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