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Display first flickered; now massive errors

It started some weeks ago; My screen went randomly black for a verry short time and then turned on again.

Now my screen is flickering and some parts have stripes on it.

Here is a picture and a video:

Can it be that the display cable has a loose contact?

Thanks for your help

Отвечено! Посмотреть ответ У меня та же проблема

Это хороший вопрос?

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Оценка 3

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Hook it up to an external monitor to help isolate the problem. If the picture on the external is OK then the GPU is good.

Был ли этот ответ полезен?

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Оценка 4

1 Комментарий:

The picture on the external monitor is OK ... so I suppose its a problem either with the display or the displaycable...

iMac Intel 21.5" EMC 2544