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Vertical Blue Stripes across Screen

5071 Views 6 Replies Latest reply: Dec 15, 2008 1:43 AM by Ge64 RSS
pandashideout Calculating status...
Currently Being Moderated
Dec 5, 2008 1:26 PM
I'm not sure what triggered it, but vertical blue stripes will pop up and freeze my screen. It started last night and have happened a couple of times already. I can only 'unfreeze' it by rebooting the Mac.

http://img231.imageshack.us/my.php?image=img0185nu0.jpg

Does anyone know what the problem is?
Thanks
MacBook Pro, Mac OS X (10.4.11)
  • S.U. Level 6 Level 6 (8,360 points)
    Currently Being Moderated
    Dec 5, 2008 3:21 PM (in response to pandashideout)
    Welcome to Apple Discussions!

    Does the same thing happen with an external display? If so, you might have the NVIDIA chip problem:

    http://support.apple.com/kb/TS2377

    See if you have this chip, and if so, report it to Apple and see if you can get a free repair.

    Good luck!
    MBP, 17"hi res, 2.4GHz Intel Core Duo, 2GB RAM, 250GB HDD, Mac OS X (10.5.5), iBook G4, 800 MHz, 640 MB RAM, 120 GB WD HD, 10.4.11; 1999 CRT iMac Rev. C
  • S.U. Level 6 Level 6 (8,360 points)
    Currently Being Moderated
    Dec 6, 2008 2:28 PM (in response to pandashideout)
    I haven't read anything about the ABC website causing problems. Watching videos may be more processor intensive and the machine may run a bit hotter, which might be enough to trigger a video problem that could have been there all along, but just hadn't manifested itself yet.

    If you also get the blue stripes on an external display, that would indicate a problem with the graphics chip. If the video on the external display is fine, then the blue stripes could be a problem with your internal display rather than the chip.

    If you get the stripes again, it might be a good time to run the extended version of the Apple Hardware Test, which is on Install Disc #1 of the gray discs that originally came with your computer. The AHT will test a lot of stuff, and if you get an error code, it will indicate a specific hardware problem. You can try Googling the error code and maybe find out what it is, but Apple is the keeper of error codes and would have to be the one to give you a definitive answer.

    I can appreciate that you need to work on your paper and won't be able to mess with this right away. If your video goes away entirely, here is an article which might help you get it back again:

    Troubleshooting: My computer displays no video

    http://support.apple.com/kb/HT1573?viewlocale=en_US

    This article will walk you through some resets which might help.

    Also, sometimes problems are worse if the computer gets hot. If that seems to be the case, something like a chill mat might help until you have time for some serious troubleshooting. So would quitting any unnecessary applications while you are working on your paper.

    Good luck!
    MBP, 17"hi res, 2.4GHz Intel Core Duo, 2GB RAM, 250GB HDD, Mac OS X (10.5.5), iBook G4, 800 MHz, 640 MB RAM, 120 GB WD HD, 10.4.11; 1999 CRT iMac Rev. C
  • Ge64 Level 1 Level 1 (35 points)
    Currently Being Moderated
    Dec 15, 2008 1:43 AM (in response to pandashideout)
    In case you still have that paper to do or any other files you need urgently: Try booting into 'Target Disk Mode' by holding T as you boot the PC, then you can use the mac as a firewire drive and connect it to another mac (or PC with some software to read Mac drives) to get your files off.
    Santa Rosa MBP 2.4Ghz, 256MB VRAM, Mac OS X (10.5.5), Standard 2GB Apple RAM

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