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iBook Sudden Shutdown

1082 Views 7 Replies Latest reply: Feb 18, 2007 9:19 PM by gomer43 RSS
gomer43 Calculating status...
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Mar 25, 2006 11:01 PM
I'm sure these questions get asked a lot, and I know I'm asking a lot of questions, and I know I'll probably have to take it in for this...

Twice since I got my iBook over a week ago, the computer has just shut off when I was handling it. The first time I picked it up an inch off the table to move it so my friend could see it, and as I put it back on the table, it shut down. Then, about half an hour or so ago, I picked it up off my lap and as I did that, it shut down again. Both times, I had one hand on the back of the notebook near the power input, and the other balancing the left side.

I thought it was the Sudden Motion Sensor, but then I read up a little and saw that SMS doesn't shut the system down, it just parks the HDD.

Just wondering if anyone has heard anything similar or knew of existing issues like this.
iBook G4, Mac OS X (10.4.5), 1.42 GHz PPC, 1GB RAM, 60GB HDD, SuperDrive
  • PB PM Level 4 Level 4 (2,480 points)
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    Mar 25, 2006 11:28 PM (in response to gomer43)
    Are you running on power or the battery when this happens?
    Gigabit Ethernet G4 upgraded 1.2Ghz, 120GB HD, 10GB HD, 1GB RAM, Mac OS X (10.4.5), ibook G4 1.42Ghz, 80GB HD, 786 MB RAM, 1GB iPod Shuffle
  • ~JB~ Level 5 Level 5 (4,045 points)
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    Mar 25, 2006 11:40 PM (in response to gomer43)
    Hi Gomer43,

    Do you get any repeating messages in Console (in Utilities folder - check the system log)? Are you sure it was shut down the first time or do you think it could just have been asleep? Does it startup at all?

    Jon
  • Lee Muse Calculating status...
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    Mar 27, 2006 4:57 PM (in response to gomer43)
    My Ibook G4 shuts off too when it is moved while operating on the battery. I think it has to do with the case flexing. This is much more likely to happen if the computer is picked up with my hand anywhere near the battery. This shutting off has created problems due to lost info from programs that were open when the computer was moved and then shut down. I suspect that this problem happens most most Ibook G4.

    Ibook G4   Mac OS X (10.4.4)  
  • ~JB~ Level 5 Level 5 (4,045 points)
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    Mar 27, 2006 6:22 PM (in response to Lee Muse)
    Hi Lee,

    Welcome to Apple Discussions

    "I suspect that this problem happens most most Ibook G4."

    I would have to disagree with this statement. I have had many iBooks in my possession, and none of them so far has had this problem.

    Is your battery sitting correctly? How well does it hold a charge? Is the lock positioned right? A little piece of advice, try picking it up with two hands...

    "This shutting off has created problems due to lost info from programs that were open when the computer was moved and then shut down."

    The shutting off was created problems because of lost information from programs? Do you mean that the major problem when your iBook shuts off is the data lost? One way to avoid a major data loss is to constantly save. Most programs (recently) have an automatic save feature.

    Jon

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