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  1. #1

    Member Since
    Feb 22, 2013
    First Post and I need help, Go figure!
    Hi all, first off thanks for letting me onboard and for any and all help!
    So I've been nursing an old G5 for ever and found a "deal" on a slightly newer 2.66 dual core xenon machine so I can run some newer software.Well she starts to boot up, white screen with apple, then blue screen, then flashing blue and green with lines in it! fans run at normal speed and every minute or 2 I will get a solid blue screen then back to flashing. I would say video card but it works during initial start up (its a 7300GT I think) Any ideas would be so appericated. Thanks

  2. #2

    RavingMac's Avatar
    Member Since
    Jan 07, 2008
    In Denial
    16Gb Mac Mini 2012, 13" MBA, 15" MacBook Pro OSX 10.7, 32 GB iPhone 3GS, iPad2 64gb 3G
    I believe you have the Mac Pro 4,1 which was sold from 2009 to Aug 2010.
    Not a Mac Pro owner, but it does sound to me like it is your Video Card.

    As I don't have any helpful advice to offer, I will suggest what I would do before abandoning hope and/or spending money. I would pull the cards and reseat them on the off chance of loosening during shipment. Doubt that is the problem, but it costs nothing to try.
    I've always wanted to be smart, handsome and modest. But, I guess I'll have to be satisfied with two out of three . . .

  3. #3

    TattooedMac's Avatar
    Member Since
    May 19, 2009
    Waiting for a mate . . .
    21" iMac 2.9Ghz 16GB RAM - 10.11.3, iPhone6s & iPad Air 2 - iOS 9.2.1, ATV 4Th Gen tvOS, ATV3
    So did you get the install DVD's with this new Mac Pro ?? If so try and do the Apple Hardware Test but does sound like the Graphics/Video card could be on the way out
    Dont forget to use the Reputation System if someone has helped you out !!!
    Arguing with a zealot is only slightly easier than tunneling through a mountain with your forehead!!!!!
    MoTM ☆☆☆

  4. #4

    toMACsh's Avatar
    Member Since
    Jul 30, 2009
    Mac Mini (Late 2014) 2.6GHz Intel Core i5 Memory: 8GB 1600MHz DDR3
    For your second post, I'd suggest a more descriptive title. For this one, perhaps "Blue, Green, Flashing Screen" would have worked. It's catchy, and tells us what you need help with immediately.

    I'd say you're going to expend a lot of effort trying to get that old of a machine to work. If it's worth it to you, keep trying. But, if you win the lottery, buy a new one.

  5. #5

    Adric's Avatar
    Member Since
    Mar 28, 2012
    Atlanta, GA
    27" iMac (Mid 2011), 3.4GHz Intel Core i7, 16GB RAM, 2GB Video Card, 2TB HDD
    If you have an Apple store convenient to you, they can at least run a free hardware diagnostic test that will tell you what piece of equipment is faulty. That way, you at least don't go on a wild goose chase replacing parts in it.

    It's most likely the graphics card or Logic board though. Both are expensive to replace

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