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No video after LCD replacement

A customer brought me her 2007 MacBook (white) with a broken screen. I bought a new LCD and proceeded to replace it. After the install, I powered up the unit and got a flicker of light on the left side of the screen and a fizzing noise. The video immediately faded to black. Now on start up, all I get is a black screen. To my knowledge, I do have external video. As well, I reset the PRAM and power management. Any ideas?

Thanks!

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Took everything back apart and I do have a (very) faint image. I am guessing now it's the inverter board. I will try this next. Thanks for the suggestions!!!

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It would help if you could tell us if you see a faint image of the desktop when passing a light source over the Apple on display back cover. We want to know if you get a video feed or not cause the problem could simply be the inverter cable or inverter board. If you replaced the whole display assy with a known working one then the issue could be logic board related since the cables could have shorted in the hinge and damaged the inverter circuitry on the logic board.

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+ for the link answer Machead used to you

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Most Helpful Answer

If you have external video

it's not the graphics chip - which leaves inverter, fuse and cables.

Check out this similar Backlight stopped working, but external video is fine.

Good Luck,

N.

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nice link +

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shull will be eternally grateful.
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