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  1. #1

    Member Since
    Oct 05, 2009
    Exclamation PowerBook G4 random glitch
    I'm very new to these forum malarkies so take it easy on me!

    I recently bought a PowerBook G4 off a friend of mine second hand, top condition and really good spec, however, I think I may have a problem.

    It is the 15" aluminium 1.67 powerPC and I noticed it gets quite warm when sat upon your knee. My laptop has started to randomly go blank but freeze. the power stays on and I either have to take out the battery and leave it for a while or just wait for the battery to die out.

    I would normally try the hardware test, but unfortunately, I don't have the install disk and I cannot find anywhere where I might be able to download one.

    I think I might have moved some solder or something, but i'm unsure.

    ANY help anyone could provide would be greatly appreciated.

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    Which OS are you running on the PowerBook G4? You really need to get hold of an install disk. Try eBay or even a local seller - buyer market like Craig's list. Downloading a copy of OS X would be illegal.

    With an install disk you can do some trouble shooting and if necessary, reinstall OS X. Without one, it's very difficult to do any kind of testing of the machine.


  3. #3

    Member Since
    Jun 11, 2009
    MacBook Pro 500GB hard drive 4GB ram PowerMac G5 Dual 2.2GHz Mirrored 500GB HDD, Mac Mini, and more

    I have had PB's of the aluminum type up to 1.42GHz they would get very warm on the underside not as hot at my MBP but still hot..

    The last one I had i think it was having a similar issue as you may be seeing
    with out knowing for sure but the video chips if they over heat have a
    tendency to separate from the logicboard. causing lines across the screen
    or just instant freeze ups..

    try the normal stuff .. boot up holding the command (apple) and the s key
    disk check fsck -fy

    re-setting via openfirmware holding the o, f, opt and command

    hold down the alt shift and option key (when off) and press the pwr button

    check the memory .. just normal items .. if all else fails try a chill mat and
    see if you can reduce the temp and if that makes it stable .. you may be
    looking at a logic board or something else that only a mac shop can help

    Good luck.
    Ce's GeekBook PC guru wana Be turned Mac geek

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