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Current version by: Dan Baco ,

Text:

I had same dead mac issue. I replaced the power supply with a new one and it all worked fine... for about 3 hours at which point the imac just turned off again and would not boot. This time however the diagnostic LEDS were active and I had power, logic and video power. The machine then suddenly started after about 30 mins of staring at the diagnostic LEDS but I got the folder with ? mark in it and it would not boot. Very strange indeed. All LEDS are lit up but it just hangs now on the folder with ? in it.
 
Any advice.
 
2008, iMac, 24inch, Core Due 3.02GHZ, 500GB HDD, 2 X 1 GIG RAM.
 
== Update ==
 
As an update. After leaving it unplugged for 30 mins I tried booting again. It gets about halfway through the apple start-up chime and then reboots only again to get halfway through the start-up chime and then reboot again. IT is stuck in this loop.
 
Arrrgh!

Status:

open

Original post by: Dan Baco ,

Text:

I had same dead mac issue.  I replaced the power supply with a new one and it all worked fine... for about 3 hours at which point the imac just turned off again and would not boot.  This time however the diagnostic LEDS were active and I had power, logic and video power.  The machine then suddenly started after about 30 mins of staring at the diagnostic LEDS but I got the folder with ? mark in it and it would not boot.  Very strange indeed.  All LEDS are lit up but it just hangs now on the folder with ? in it.

Any advice.

2008, iMac, 24inch, Core Due 3.02GHZ, 500GB HDD, 2 X 1 GIG RAM.

Status:

open