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Contribution d'origine par : da stumer ,


Graphics card replacement options


Hello, I just got a mid 2010 27" i7 iMac, and it has graphics failure, I'm pretty sure.  It has artifacts on the screen, which are odd colored pixels randomly dotted around, and will occasionally log me out or restart. What are my replacement options? Will a graphics card from any unibody iMac work? The iMac currently has a Radeon HD 5750 with 1GB of ram. I'm fine with a downgrade, as long as the card can still power the large display. Replacement 5750's look pretty expensive, so I'm trying to see if there is a lower cost card I can use instead.


If you zoom in on the picture you can see what I'm talking about.


iMac Intel 27" EMC 2390