Model A1225 / Mid 2007 and Early 2008 / 2.4, 2.8, or 3.06 GHz Core 2 Duo processor

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Dead video card or logic board?

In November of last year my iMac started acting strange. The screen would simply shut off (or go totally black) and then would come right back on after just a few moments. I took the computer to the nearest Apple certified store in my town which was a Simply Mac store. They told me for $50 that is was the LCD screen that was going out. I didn't have them fix it and I left.

By the time February rolled around, we were lucky to have the screen stay on at all. Fortunately we have a second monitor for it and that served us well. About 3 months ago we were syncing our apple devices to iTunes and the screen became all jumbles and had thousands of mini lines running through it and the machine froze up. I tried to reboot it with no luck. I am assuming that is it the video car that went bad and I am also assuming that the video car is integrated with the logic board. Am I right in thinking this and is there a possible simple fix for this? Or do I need to start shopping for a new logic board?

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The same mac A1225 and EMC 2211 - the same looking trouble - dead picture on the screen, then try to boot with "Hold power button for 2 seconds..." screen. Looks like Video is dead. How can I get part number for that?

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It does sound like your video card is failing. The good news is that the video card is separate from the logic board, therefore you can just replace the video card. Make sure that you find out exactly which video card is in your iMac, ideally getting the apple part number, since there are several different models of this iMac as well as several different model video cards within each of the models. If you provide your serial number I can get you the correct part number for it. Another thing to consider is that replacing the video card in these iMacs is not a simple repair at all and if you are not careful you can mess something else up in the process. Doing this repair at a shop should cost you around $150 in labor and ball park around $200-$300 for the video card. Hope this helps!

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ACP,

My video card is out. I have model A1225 with an EMC of 2211. What video card should I be trying to buy?

Thanks,

DW

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