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iMac 27" Mid-2011 | Booting loop and Green lines | Genius Diagnostic

By crogj ·
This iMac was donated to me by my father, and I'm determined to repair and upgrade it. COVID has ruined my offline business so, I'm now pointing in a different direction. This iMac needs to be used for web design and other such activities. I already have a MacBook Air 2017, which could aid in the restoration of the iMac.


What I would like to do is, top up the RAM, upgrade to SSD, upgrade video card and CPU. Any other suggestions would be greatly appreciated.


I have little experience with repairing computers, although I'm fairly competent when it comes to following technical instruction. If there are any here that would be willing to give me some advice, as to what steps I need to take, I'd be very grateful.


Here are the results of the 'Apple genius bar' diagnostic test and Technician's notes.

Problem Description/Diagnosis

Issue: iMac is booting with Apple logo and then restarting after loading bar and just loops, also there are vertical green lines

Steps to Reproduce: Verified issues


Managed to run video test which passed

Also MRI all passed

Storage diagnostics failed to run

Attempted twice

Loads to grey screen

Cosmetic Condition: NA

Proposed Resolution: Positioned as Mac is an obsolete model unable to repair any hardware


Potentially could have iMac plugged into external monitor to bypass green lines


Could attempt a clean restore if OS or create a external bootable version of OS


New hard drive might be needed, worse case scenario logic board

Resolution: Service Denied

Reason: Desired Repair Type Unavailable

Hard Drive Size: 1000

Memory Size: 4096

Contact Apple Support Case: 101128510720


Thank you for reading.


crogj
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