Sebastian Kox
Level 1 (0 points)

Q: Internal screen vertical interlaced

Just out of nowhere my internal screen now and than turns out vertical interlaced. Either with black or white lines, alternating between normal screen at one vertical pixel row and a black/white line on the other. Like the interlace filter from the old days.
It's seems quite random, no heating issues or special software and the MBP is mostly sitting on my desk.

The mac keeps on functioning and the external display doesn't show the problem.
PR-ram/SMC reset didn't resolve the problem, it just stops and shows up again after a while.
Any idea's what could be wrong? I saw another post covering the same problem, but it wasn't solved.

Thanks!

Sebastian.

MBP 15" 2.6, Mac OS X (10.6.5)

Posted on Dec 2, 2010 7:45 AM

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Sebastian Kox

Q: Internal screen vertical interlaced

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  • by Sebastian Kox,

    Sebastian Kox Sebastian Kox Jul 10, 2011 4:39 AM in response to Sebastian Kox
    Level 1 (0 points)
    Jul 10, 2011 4:39 AM in response to Sebastian Kox

    Until yesterday my mbp worked fine.

    Now it started to fail again, differently then my first problems and ending up in freezing my mac with scrambled (more like videocard/texture failing) images that look like the pictures people send in with the nvidia problem. I'm wondering if it was just a matter of time for my videocard to fail completely.

     

    A restart or letting the mbp rest for some time sometimes works. The times it didn't work it stayed in 'scrambled mode' and fails to startup, and a message appears that I need to restart my mac.

     

    The Apple hardware test now indicates a 4VDC/1/40000003: VideoController problem.

     

    I'm bringing it back again for inspection, I'll give a heads up how it went.

  • by Sebastian Kox,

    Sebastian Kox Sebastian Kox Jul 15, 2011 5:35 AM in response to Sebastian Kox
    Level 1 (0 points)
    Jul 15, 2011 5:35 AM in response to Sebastian Kox

    Just got my macbook back, they found the problem in the video card and replaced the logic board under the NVIDIA extended warranty. I'm a happy costumer!

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