Apple Powerbooks G4 Turns Off After 5mins

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Hi,

I have an Apple Powerbooks G4.  Somehow, it turns off after 5 minutes. 

I tried checking the battery but it seems ok. 

I cannot install my choice of operating system: osx due to this problem. 

I have doubts that this is due to an overheated computer since it does not feel hot. 

Please help me solve this problem.

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Answered By 0 points N/A #105071

Apple Powerbooks G4 Turns Off After 5mins

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Hello there!

If it is not your power supply that has a problem, then it is your machine's. Try resetting the power manager by simultaneously pressing and releasing Shift > Ctrl > Option > Power on the keyboard. Then wait for 5 seconds and press the Power button to restart your computer. If you have a g4 dvi and g4 1 ghz/867mhz, disengage the keyboard latches and the keyboard locking screw. There is a reset button by the upper right side of the logic board near the power button. Press and release it and again, wait for 5 seconds before you restart your computer.

If this does not work, try resetting the PRAM by pressing and holding the Command > Option > P > R keys down simultaneously before the gray screen appears.

Hold these keys until the computer restarts and until you hear the startup sound for the second time.

Good Luck!

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