The PowerBook G4 was initially announced at Steve Jobs' keynote at MacWorld Expo in January 2001. Its body was made mainly of Titanium and had a 15" screen.

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What does three "beeps" mean?

When I press the power button I get three beeps and nothing else. What is wrong?

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Bad RAM. Re-seat the RAM one at a time and one in each slot to check to see if a slot has gone bad. So doing it this way you test both the RAM and the slots. This machine has been know to lose a slot.

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The aluminium PowerBook 15" 1.33/1.5ghz is the one known to lose the lower ram slot not the Titanium G4.

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lem - thanks. I've also see three of the Titanium lose slots and two MacBooks as well as the Aluminums

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robert owen will be eternally grateful.
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