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2010 A1312 27″ iMac – Screen Artifacts

Posted in Repair Blog - Written by Grant Philipps on February 4, 2021

Customers has iMac that all of a sudden displayed random lines and artifacts on screen once turned on. Also will not complete boot and turns of.

After investigation and replacing the power supply PSU we determined that the Graphics Card GPU was at fault. Removed old and replaced. Tested 100% perfect and now boots into iOS.

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