HT2452 Hello... I bough my iMac 2 weeks ago but not happy with the graphic card HD6750M and would like to upgrade to HD6770M wuld it be better for games and in general? Thanks adv brgds Wigor

Hello Would I be able to do myself to change the graphic card. Present one which came with my iMac is Radeon HD6750M but I'm not really happy with it.
What is the advantage to changing to HD6770M?
Many Thanks for an advice.
With Kind regards Wigor

The only way for you to upgrade is to return it and bring it back to Apple in 14 days and get your full money back.
The only way to get a better video card is to order a 27 inch iMac with the custom graphics chip option.
I am not sure if you can order this in an Apple store or not. The iMac options are listed on their online ordering site.
The custom GPU is a 1 or 2 GB VRAM GPU. It is only available in the 27 inch screen models.
If it has really been a full two weeks, you need to return this iMac like tomorrow.
Apple won't do the video upgrade for you as this is a non-upgradeable part by Apple standards.
If you attempt to upgrade/replace this GPU yourself, you void your 1 or 3 year AppleCare warranty with no hope of ever getting any free warranty work ever done on this iMac if anything should go wrong.
If your time for a full refund has passed, you need to sell this iMac so you can purchase an iMac with better specs and options.
Other than RAM, iMacs are not user upgradeable and you need to order the right iMac and combination of options options at actual time of purchase.

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