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Digital video doesn't work

Suddenly my second digital monitor is black. I think the problem is the monitor as id I use a VGA adaptor in the VGA in of the same monitor it's ok. Later O try another digital monitor, it show the image, few seconds, than black. I suppose the Mac is over. I run the Hardware test and it reports the error: 4VDC/I/40000003 Video controller.

I connect the mac and the digital monitor with another cable, and now it seems to work. Th first cable is a DVI to HDMI; the last one is DVI to DVI. Eventually is it possible to change the video controller? Thanks

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The controller is integrated into the logic board.

This may be a failure of the Nvidia GPU, if so Apple will replace the logic board for free. Please give us the last three letters of your serial number so the video chip can be identified. Are you having any other video problems? Any scrambled colors?

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Thanks! Right today I called my rescue center and they say exactly the same. They tested the machine and found the problem is a failure of the Nvidia GPU, and activated the replacement procedure. It's really a good new. Thank you so much again.

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Glad I could diagnose the problem for you. It's always nice to get a new logic board for free!

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Good morning,

I have the same problem than Massimiliano Giusti: the last three numbers of my MacBook Pro A1226 are X92 and I think that the manufacture date is about 2007 (I bought it used 2 month ago).

Is it possible after 4 years to ask the replacement of the logic board? If yes what I have to do (I live in Italy).

Thank you

Franco Crisci

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Please start a new question. Your machine does qualify, but some things have changed and you're in Italy so some things are different.

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Massimiliano Giusti will be eternally grateful.
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