Can I upgrade early 2009 iMac Graphics card
I've been looking around to see if I can swap out my current graphics card for a better one. Having seen many conflicting and sometimes confusing answers I thought I'd ask on here in the hope someone has tried and tested!
I have an early 2009 24 inch iMac Intel Core 2 Duo 3.06ghz with 8gb RAM and the GPU is an ATI Radeon Mobility HD 4850
I saw a guide on here that showed someone successfully changing theirs, but what I wanted to know was if it was possible to upgrade to a different card with more memory, 1GB or higher.
Things that worry me are, would another card fit ok? would there be overheating issues? and is there Apple firmware that needs to be pre installed for it to work?
Many thanks in advance
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