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2.0GHz, 2.3GHz, or 2.6GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.8GHz) with 6MB shared L3 cache.

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stripes on screen, black on screen and weird stripes in corner

Hey guys! I just pulled the HDMI cord out of my mac and then a 1/2” of the left side screen running vertically is blacked out. in the bottom of the screen 5 white lines are running horisontal. Besides that it looks like the screen has been pressed and broken in the bottom left corner. All this appeared just by removing the HDMI Cord. Do you guys have any ideas to why this is?

Hoping someone has an answer for me out there!

Thanks!

Answer this question I have this problem too

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Can you post some pics so we can see Adding images to an existing question

Also does the external display show the defects or is the image clean?

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My screen was flashing and split in 2. I thought it was broken.

I reset the pram.

I also reset the smc.

no data is lost.

reset pram: hold Command + Option + P +R + power button for 15 seconds

reset smc: hold Shift + Control + Option + power button for 15 seconds two times.

Try that. it won’t damage anything.

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Daniel Jønsson will be eternally grateful.
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