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

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Screen flickering and (some times) dimming

Hi!

It's been about 4 months that my display periodically but often is flickering and some times the brightness is dimming for a couple of seconds. I 've read that it's probably the "LED Driver Board" but since i have zero experience, i am asking for some piece of advice...

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Pantelis Proios, I am not a Mac person, but this could be caused by numerous things. It could be your LVDS cable, your backlight board, or your video card, as well as your panel, just to name a few. Connect a supported external display to the mini DisplayPort on rear of computer. Verify if issue occurs with external display. If it does not, you know your card is okay and you may have to further investigate. Check to make sure the LVDS cable is properly seated. If you got to start replacing parts, I start with the cable and the backlight board

LED backlight board 661-5304

Cables, AC/DC Power/Backlight/SATA 922-9125

Cable, LVDS 922-9132

Hope this helps, good luck.

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