iMac won't power on. How do I check this model's power supply?
My iMac won't power on at all and I suspect the power supply is the issue. I've searched everywhere I can think of, but no one has a tutorial on how to check it on this particular model. I was able to disassemble it without any trouble and I removed and inspected the power supply visually, but I'm hoping someone has advice on how to test it with a multimeter. I haven't been able to find any pinout or voltage information for it. Maybe the same unit is used in other models? Any help would be greatly appreciated.
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I also was wondering if i measure the veiwable area of the screen it's 21" the entire face is 24" so is this a 21" or a 24" Imac?