Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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LCD screen backlight no power

I had to take a part my mac to change hard drive, i disconnected the lcd display backlight connecotrs and marked them.

Now when i try to start my imac again.. it seems to not get any power on the screen, also i am not sure the computer is botting up at all sonce i can see the fans going buit i dun hear the apple sound related to the boot up process.

Do the 4 connectors have a specific order i might have messed up?

Could it be something else? preventing the imac form booting up and energizing the screen?

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Yes could be any cable you disconnected, go over your connections again. Many times DIYers "think" they have solid connections when they are not square or complete.

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I have taken it apart several times, and checked the connections, besides all you need to disconnect for the screen are the 4 ac power connectors plus the data one, so i was wondering if there is a safe way to check the voltage on those connecotrs in a safe way since i have been told they are supposed to be very high power and a regular tester would not work.

I own a Fluke tester 77 series.. would it be safe to test them with it?

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