Display Suddenly Unreadable

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My mid 2010 Macbook Pro isn't without its history of hardware problems, but this morning when I booted up my system I noticed that the display looked very strange, and it hasn't gone away despite several reboots and tries to solve the problem. It almost looks as if every other column of pixels just isn't working. Text is very hard to read and graphics look like they were recreated in an old version of MS Paint. For a brief period later in the day the screen flashed some strange colors then looked perfectly normal for a few minutes, then everything suddenly had a turquoise tint to it, now it's right back to where it was this morning. Striped columns of defunct pixels all across the screen. What could be causing this? AHT refuses to work on my system so I can't tell if I have a serious hardware issue or if I may be able to fix with firmware or anything. Even now it's very difficult to read what I'm typing here, but I will attach some images captured with my phone that should demonstrate what I'm talking about. Any help is appreciated.
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chscag

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Your Mac's Specs
2017 27" iMac, 10.5" iPad Pro, iPhone 8, iPhone 11, iPhone 12 Mini, Numerous iPods, Monterey
It appears to be a GPU malfunction of some sort. I believe there was a recall of your model MacBook Pro because of that very problem. Apple was repairing them for free for awhile but the extended warranty period is now over. You might wish to take it on in to your local Apple Store genius bar and have them run diagnostics on it. There's no charge for the diagnostics if you take it to an Apple Store. Authorized repair service centers will charge for diagnostics.
 
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If it is the GPU then I suppose I'm in luck. My GPU was replaced by an Apple repair center earlier in the summer because of kernel panic issues and should still be under some sort of grace period. Not so sure about the display itself, though (even though there was a component within the unit that we discussed repairing).
 

chscag

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2017 27" iMac, 10.5" iPad Pro, iPhone 8, iPhone 11, iPhone 12 Mini, Numerous iPods, Monterey
I believe Apple warrants their repairs and parts for 90 days. Look it up to make sure.
 

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