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Mac G4 wont turn on.

Posted on 2004-10-21
Medium Priority
Last Modified: 2013-11-24
Not sure what else to put, i have checked all the power sources, Does anybody else think it is the power supply in the system.

Thanks in advance.
Question by:eplanetsystems
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Expert Comment

ID: 12371874
If it's completely dead (no clicking, whirring or any other noises when you attach power cord and no sounds when you press the power button) it's a good bet it's either the power supply or the power cord. (If there's a break in the power cord, no power can get to the system.) If the system is still under warranty, the power supply is covered.
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Expert Comment

ID: 12374099
You may need to replace the battery on the motherboard:

If the fans and LED turn on, you may have a more serious problem:


Author Comment

ID: 12375042
The battery was replaced and the problem still persists. No lights anywhere, no sound.
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Accepted Solution

Andrew Duffy earned 1000 total points
ID: 12382217
Almost certainly power supply. I think you'll need to get a Macintosh one but a) they should be very easy to get hold of second-hand, reconditioned or salvaged b) they are cheap and c) you can install it yourself.

Where are you based?

Author Comment

ID: 12382567
San Diego, i did check the stores, but they dont know what wattage, when i ask for g4.

Expert Comment

by:Andrew Duffy
ID: 12382601
Yeah they're talking about standard PSU units for PCs - they simply won't work in your G4. You need to get a proper Macintosh one. A G3 PSU will work (I've fitted one successfully before) but it needs to be Macintosh. Ask at your nearest Apple dealer (if there is such a thing) if they have any spares they could sell you cheaply. Don't pay more than $30 at the most. Maybe even check ebay for a G4 PSU?

Author Comment

ID: 12382614
Thanks Guys, let me try to find some and install them.

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