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Display not turning on

Hi,

My black MacBook has been acting up lately. It's been running really hot, and whenever I would pick it up and move it I would get a kernel panic or it would just freeze.

I decided to open it up and clean it and see if anything was broken. I opened her up and found a lot of dirt and stuff, so I cleaned it up and reapplied new arctic 5 thermal compound. I was vey careful not to break anything or lose anything.

After I did all that I reattached the keyboard real quick to see if it worked, and it did. I put it all back together and turned it on. Now the screen flickers for a second but won't turn on. The computer runs, I can hear the hard drive and everything.

So what could I have messed up?

Answered! View the answer I have this problem too

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I'd take off the top case and double check the inverter cable connection to the logic board then just reconnect the top case ribbon cable and try to boot the MB.

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I have tried that several times now.

The display connection cable is the middle one under the CPU, correct? (in between the optical drive connector and hard drive connector)

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No, I'm talking of the inverter cable and connector located to the top left side of the macbook near the left speaker. It's a small black connector and sometimes there's a little black square foam on it (take off the foam). This black cable brings the power from the logic board to the backlight via the inverter board in the screen display.

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I seem to have lied. The computer no longer displays anything on the monitor, I tried to move from one spot to another and the picture went out. Now it's not coming back on :/

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Just checked that inventor cable, seems to be snug and fit.

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First hook it up to an external monitor to isolate the problem. If the monitor works then it's in the display area.

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