Model A1311 / Late 2009 / 3.06 or 3.33 GHz Core 2 Duo processor

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Where Are The Led lights 1, 2 3 and 4

Hi there

I opened the Imac but I don't know if i'm looking in the right spot for the LED's to test them and diagnose the problem, my Imac powers on but the screen remains black, but I have no idea where to locate the Led lights.

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The LEDs are to the right of the memory slots, and sit behind the SATA cable where it comes out of the connector.

This answer may help you: LED power supply and logic board tests

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Thanks, now I'm looking down in the unit and I see looks like two lights that are on, but do I have to take out the logic board to get a look at these lights. The angle that i'm seeing them from are very difficult so i'm not sure which two are lighting up.




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jasonConnors will be eternally grateful.
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