Well darn, The GPU failed, Apple had some faulty GPUs in the ***27" Mid 2011iMacs***, MacBook Pros, and Mac Minis.
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Well darn, The GPU failed, Apple had some faulty GPUs in the ***21.5 & 27" Mid 2011-iMacs***, MacBook Pros, and Mac Minis.
You would need to buy a new MXM GPU and Replace it,[br]
[br]
Keep in mind It Can be very tedious, You won't get a boot screen unfortunately. ;-[
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You'll be looking for this you don't mind it failing again [link|https://www.amazon.com/Graphics-Mid-2011-MAC814LL-Mobility-Replacement/dp/B0819X7F5C/ref=sr_1_1?crid=2QK9DH3OQRA71&keywords=mid+2011+imac+gpu&qid=1668839196&sprefix=mid+2011+imac+gpu%2Caps%2C401&sr=8-1|this|new_window=true].
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Follow the [guide|9553|2010 iMac GPU|new_window=true] guide they are basically the same.
Well darn, The GPU failed, Apple had some faulty GPUs in the ***27" Mid 2011 iMacs***, MacBook Pros, and Mac Minis.
You would need to buy a new MXM GPU and Replace it,[br]
[br]
Keep in mind It Can be very tedious, You won't get a boot screen unfortunately. ;-[
You'll be looking for this you don't mind it failing again [link|https://www.amazon.com/Graphics-Mid-2011-MAC814LL-Mobility-Replacement/dp/B0819X7F5C/ref=sr_1_1?crid=2QK9DH3OQRA71&keywords=mid+2011+imac+gpu&qid=1668839196&sprefix=mid+2011+imac+gpu%2Caps%2C401&sr=8-1|this|new_window=true].
Follow the [guide|9553|2010 iMac GPU|new_window=true] guide they are basically the same.
Good Luck!
Feel free to comment if you have any questions.