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mac mini will not power on

by c_mack / December 1, 2009 12:36 AM PST

Several months ago.... came home and mini was powered off and would not turn back on.
I have replaced the unit but would like to try to revive the old one if possible.

I have read this article which didn't seem to help..
http://archive.macfixitforums.com/ubbthreads.php/topics/475541/Re_Intel_Mac_mini_With_drives_
I have replaced the ram with its original dimms. Still no good.
I have also removed both the dvd and hard drive.
Would be happy if i could atleast get the white light and mac sound... but nothing.

Any other ideas ?

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.
by c_mack / December 1, 2009 12:41 AM PST

I also checked the on board battery which is still running at 3v

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Subject lines are good.
by mrmacfixit Forum moderator / December 1, 2009 1:19 AM PST
In reply to: .

Do you know for a fact that the AC Power adapter is working correctly?
Not just showing a light and pushing out nothing worth talking about?

That would be the first place to start but you didn't mention it.

P

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power brick is good.
by c_mack / December 1, 2009 1:46 AM PST

Yes sorry I did not mention.
1. I borrowed one at the Apple store, still no power.
2. Tried the one I have from new mini, still no power

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Remove battery,
by mrmacfixit Forum moderator / December 1, 2009 10:07 AM PST
In reply to: power brick is good.

and disconnect all power from the mini.
Give it 20 minutes, insert battery, AC adapter and attempt to power up

???


P

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Still Nothing :(
by c_mack / December 2, 2009 11:13 PM PST
In reply to: Remove battery,

I removed the battery let it sit not plugged into anything. Then put the battery, then plugged in power -- still nothing

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Suspect a logic board problem
by mrmacfixit Forum moderator / December 3, 2009 12:40 AM PST
In reply to: Still Nothing :(

Having ruled out the power supply, the only thing left that controls power is the logic board.
Removing the AC power and the battery for a period of time, resets the board.

No improvement would indicate a problem there.

P

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