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Thread: Help! PT166 won't boot!

  1. #1
    Join Date
    May 2001
    Location
    Long Beach, CA USA
    Posts
    2

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    Any ideas or help MUCH appreciated!

    System: Power Tower 166, 96MB ram, original MIcropolis HD, no cards added & running
    original System 7.6. Nothing connected to the external SCSI bus.
    The computer was working just fine. It was shut down and moved (gently) and I did not
    attempt to boot it up again for a few weeks. Here is what it now does (or doesn't) do:

    Won't boot/no Happy Mac icon. The screen does come on and mouse pointer appears. I am able
    to move the mouse around a blank, grey screen. If I put the original System CD in the CD-ROM
    and try to boot from that, I get a grey screen with a blank disc icon - no question mark
    or "x" - just a blank floppy disc looking thing. Also, when trying to boot from the CD I don't
    get the mouse pointer. I have tried disconnecting the HD and that has no effect. Replaced the
    battery, no go. Anybody have any ideas?

    Thanks-----Joe

  2. #2
    Join Date
    Aug 2000
    Location
    arlington,vermont
    Posts
    826

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    If it were me i would look at the processor card and ram as possibly became unseated during the move...might be a good time to grab some canned air and a soft brush and try reseating everything. Don't forget the cuda reset.

  3. #3
    Join Date
    May 2001
    Location
    Long Beach, CA USA
    Posts
    2

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    OK - I will give that a try ----- at the risk of sounding like an Idiot (pretty easy for me to do),
    does anyone know WHERE the 'cuda switch is on this thing? I looked and couldn't find it. Is it
    under the Processor/riser area???

    Thanks again

  4. #4
    Join Date
    Feb 2001
    Location
    Austin, TX
    Posts
    591

    Default

    Try here for a motherboard diagram: http://www.macgurus.com/shoppingcart...bpcpcurve.html

    This is a PowerCurve diagram, but I believe that the PowerTower has the same layout.

  5. #5
    Join Date
    Aug 2000
    Location
    Concord, CA
    Posts
    7,056

    Default

    Or here http://til.info.apple.com/techinfo.nsf/artnum/n36162 and scroll to the bottom of the page for location of the Cuda Reset. k

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