Wednesday, March 10, 2010

Repairing a bad video cable on a MacBook Pro 15" Model A1150

I recently had an opportunity to work on a video/LCD issue with a MacBook pro.

The Symptoms:

No Video on LCD Screen however the DVI Video output tested fine and works.

Furthermore, there is a faint amount of video on screen, and a single row of pixels are lit at the top of the screen. You can only see that in complete darkness though.

I started by checking the LVDS (video) cable connection to the logic board.

I took off the connector from the socket and fully reinserted it. When doing so, the LCD lit up and started working. However, when I closed the machine up and put all the screws back together, it was back to its initial state of no video to the LCD panel. Damn.

I decided the most logical thing to do was replace the LVDS cable. I ordered one from iFixit, followed their teardown guide and when I got it all back together, the display worked properly again.

Case closed.

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