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2.26 or 2.4 GHz / White plastic unibody enclosure

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It turned on but black screen

I have same problem. My Macbook A1342 Late 2009 turned on but the screen is black. I can see everything on desktop with a flash light. My story are following:

The old screen is freezing at some point when starting up. I have to fold/move the screen a bit to get it fully started up. So i thought it is LVDS cable

I tried to replace LVDS but nothing changed. My bad when i tried to connect wrong end of LVDS. Then my old screen is gone. Nothing show up on screen even with a flash light. It still turned on, took installer disc and made sound like it reading the disc.

Now it ordered a brand new lcd screen panel. It turned on but black screen. I can see everything on desktop with a flashlight.

I did not see apple logo on back of screen light up.

Do you know how to fix it?

I tried to clean LVDS ends but nothing different

Answered! View the answer I have this problem too

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Brian, sounds like you are having a backlight issues. It will help if you give us the last 4 digits of your computers serial number. that will help us to properly identify your hardware. It is possible that you have a bad backlight fuse or a failed LED driver. connect an external monitor to verify that your video circuitry works properly. If an external monitor works, then you know it is your backlight circuitry. Those repairs will involve soldering...

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Brian will be eternally grateful.
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