Vertical large flickering bands on screen: what is wrong?
My iMac has two large flickering bands on the left.
Look at the the picture please
Does someone is able to understand if the problem is the screen or another part? Apple hardware test says everything is ok but as you can see that's not true.
I guess that the cause is a magnetic field exposition (the iMac has been too near to a microwave oven on the magnetron side), but If it is that, I can't figure out what part has been effected.
I'll try an external monitor as soon as I can. since then anyone can help?
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