ibook g3 900mhz possible logic board failure?

Discussion in 'Macintosh Computers' started by starfish, May 7, 2005.

  1. starfish macrumors newbie

    Nov 17, 2004

    after a year and 1 month of happy computing with my ibook g3 900mhz today when I booted up, my ibook got to the OSX login screen and just when I was about to click and put my password in, the display went crazy and the mac hanged for the first time EVER!

    Since then everytime I start up, i get no start picture and even in firewire target disk mode it hangs and the display garbles (not sure if thats the right word!)

    After looking into the logic board repair program notes on the apple website, my ibook is within the serial number range and has the same type of problems.

    What does everyone think? What should my course of action be, can I get it done at Computer Warehouse, my local Apple Authorised Centre.


  2. gafferbee macrumors newbie

    May 7, 2005
    London, UK
    sounds like it...

    Sounds like what happened to my g3 800. Screen froze, weird lines all over the place, crash to black, hard drive seemed unaffected.

    I'm in the UK and an Apple repair centre sorted mine out in under a week - and over Easter too. For free.

    Only things is, ever since then the iBook has been, how shall we say, a little erratic - going to sleep at odd times, waking up at odd times, freezing, and generally showing worrying signs of ages. This morning the screen went black and a DOS style screen came up - complete with cursor and tech stuff. Scary.

    I take it as a hint to get myself an iMac :)
  3. 5300cs macrumors 68000


    Nov 24, 2002
    I'll second what gafferbee said, it sounds like a bum logic board. Give Apple a call.
  4. calyxman macrumors 6502a


    Apr 17, 2005
    Welcome to the club. It's tough to find an iBook that's gone 2 years without any hardware problems.

    Take it to the Apple store and let them fix it. You should be covered under the logic board warranty.

    PBfixit sells the 900Mhz logic board here. They're not cheap.
  5. sonofapplepm macrumors member

    Apr 5, 2005
    Wheatland, Ia
    Definitely logic board issue. Had my G3 900mhz fixed under the recall and now works perfectly! Get a hold of Apple, they should have no problem fixing it. Mine took a little while because there was a backorder on the logic board!
  6. dvdh macrumors 6502


    Apr 6, 2004
    If you have to get files off the iBook, there is one option that has worked for me both times that the logicboard on my G3 900 has gone on the fritz. Try booting up the machine with it resting on its display with the base sticking straight up in the air. For some reason a number of people (who have posted to this forum, myself included have had success with that. However, don't expect it to work for long like this, it won't, so try doing it as a means to Target Disk mode and get your files if you can.

    Sorry you're joining the club of failed G3 logicboard owners. At least my experience with service has been good (both time I had the machine back in less than a week with no data loss, using third party Mac repair shops)
  7. starfish thread starter macrumors newbie

    Nov 17, 2004
    g3 ibook 900mhz logic board failure


    thanks everyone for your replies. I took the ibook into Apple Store, Regent Street and they said its a logic board failure and is covered under the replacement problem.

    Luckily for me because the repair cost including labour would have been £438!!!

    so now its a 10-15 working day wait till I get my ibook back in time to sell it and buy one of the new ones when they are released, or possibly a powerbook, but thats a whole different thread!

    cheers everyone!


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