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Level 1

4 points

Soon after start up the screen turns to horizontal lines jibberish

Soon after startup the screen turns to horizontal jibberish

MacBook Pro Retina

Posted on Dec 29, 2019 6:31 AM

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Level 10

240,941 points

Posted on Dec 29, 2019 9:32 AM

Safe Boot from the HD, (holding Shift key down at startup), does the problem occur in Safe Mode?

Have you blown the dust out lately?

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