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iMac power supply replacements. Updated 2024

When you press the power button and your iMac won’t turn on or it has a black screen. The question you ask is what should I do now?

There are many reasons why your iMac won’t turn on and what to do next depends on how unresponsive your iMac is.

Completely unresponsive iMacs such as no power at all may be easily fixed but slightly responsive iMacs with fan spin noise may have more complex issues related to the logic board.

How do I know if I have a bad power supply?

The most likely symptom of a bad power supply is when your Mac shuts down randomly and does not turn back on or not turn on at all.

What are the symptoms of a failing power supply?

Symptoms of a failing computer power supply:

– Computer crashes.

– Random blue screen crashes.

– Extra noise coming from the PC case.

–  Recurring failure of Mac components.

–  Mac won’t start but your case fans spin.

Can the power supply be repaired?

The problem needs to be diagnosed first and because of the nature of the repair, it can take a little longer to replace the bad part.

An Apple Mac that doesn’t power on could be a result of several different factors. It is often difficult to identify the exact root cause, in which case you’ll need to speak to an Apple specialist. 



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