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2012? Imac starts up fine, after a bit of time the screen goes black, walk away, come back, all is normal again. Repeat...
Did a Nvram reset with up to 4 startup sounds.
The fan does not make noise!
Could it be because the fan does not work?😱
can the fan be replaced? 😌
thanks much for any help or pointers to help🥴
karenzadev
iMac 27″, macOS 10.13
Likely a hardware problem, please take the computer to your local Apple Authorized Service Provider to have it diagnosed. Then you can decide what to do.
If you don't know any AASPs in your area please click AASP Locator
Likely a hardware problem, please take the computer to your local Apple Authorized Service Provider to have it diagnosed. Then you can decide what to do.
If you don't know any AASPs in your area please click AASP Locator
Thanks for your answer, I will consider this after some more research.
The computer is already on it's last legs, because the OS cannot be updated beyond MacOS High Sierra Very 10:13, a fact that reminds me of my Microsoft days. Alas
Thanks again and stay safe.
Your welcome and good luck. My guess is it may be a failing backlight or failing display. If it is a backlight these are not too bad to repair assuming you can find the part on pre 2011 iMacs.
Imac black screen
