This is an official Powerbookmedic.com Take Apart Guide for the 27" iMac.

Oscar Mendez

1 month ago
How can I test the power supply to make sure it is working correctly?

Powerbook Medic

1 year ago
@Luis - we sell the video cards in the parts list to the right and we also offer a component level repair where we can reflow the chips on the card itself. if you would like to learn more about the repair options, you can submit a quote request using the send-in repair option at the top of our site.

Luis

1 year ago
I have a A1312 with problems with the graphic card (Show some dots in pink and change to black and so on) but works fine. It is possible to fix this issue? Can I change the graphic card? Regards...

Mustafa

1 year ago
i have received one A1312 for repairs. there is one beep audio. can u pls suggest technically what to do . also can i get bios bin or fd data. Thanka Mustafa

Powerbook Medic

1 year ago
@CB - it depends which exact model you have. Some were offered with discrete video cards that are replaceable.

CB

1 year ago
Is the video card in replaceable A1312?

Powerbook Medic

1 year ago
@Cesar - we unfortunately do not troubleshoot software issues. You may want to contact your local Apple Store.

Cesar Castelo

1 year ago
I have a problem with my hard drive, when i upgraded to the new OX Yosemite beta release and start working fine but in one of the upgrades it did not finish to download the software and now it only works like it is trying to upgrade but stops and return to start to download but it stops at the middle of the upgrade and stops and keep on doing it again and again, i need to know how you can help me and please replay to my email castelobrw@gmail.com thank you for your suppont and i will be waiting for your answer
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