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 Post subject: PMU Force Shutdown
PostPosted: Fri Jan 19, 2007 7:18 PM 
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Joined: Thu Aug 8, 2002 10:19 PM
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Location: Speedway, IN
My 90 days on the previous repair of the PMU just ended, so I am paranoid here about coming home and finding the computer had shut itself off. I realize it may simply be the battery is dieing. I know it is. However, I wanted a second opinion. I don't have more money to fix this thing.

Jan 19 17:36:30 localhost kernel[0]: ApplePMU::PMU forced shutdown, cause = -127

It showed that when I got it restarted. The light on the power supply turned yellow as it should, and so far everything seems normal, except the LEDs on the battery won't go up. I get the one blinky light, even though it has a charge. The Battery Monitor on the screen says its charged. Unplugging it makes it switch to battery, and it works... Should I be worried? Buy a new battery? Not worry about it? Any ideas?

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PostPosted: Fri Jan 19, 2007 11:18 PM 
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Joined: Tue Jul 23, 2002 5:56 PM
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Ricky,

A way to find out if it's simply that the battery is not holding a charge anymore is to find an iBook to swap batteries with. I realize the problem would be finding another iBook owner that uses your battery.

I wouldn't buy a new battery unless you can prove the problem is the battery. Otherwise, you're just throwing good money after bad.

I'm going to assume that you don't have quite enough money to replace it with a MacBook yet like you've wanted to. Therefore, you might make a quick call to Mark Kippert since he sees more of the older Macs than even the Apple Store does. Mark may be able to give you a quick second opinion. I don't know. The Apple Store seems to greatly prefer new Macs. Now I don't know why that might be. :P


Bob C


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PostPosted: Sat Jan 20, 2007 12:24 AM 
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Joined: Thu Aug 8, 2002 10:19 PM
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Location: Speedway, IN
What happened last time was it shut off while it was asleep overnight and plugged in. I admit it could have been a power surge that knocked something out. It started once, shut off, and never came back on. The Apple Store guy could get no response out of it even with a different battery. (The light wouldn't change from green to yellow properly either.)

That was all fixed.

This time it shut off while it was in sleep mode, unplugged, while I was at work. It wouldn't start up immediately after I plugged it in, but when I unplugged and replugged it, it started up and had the PMU message as the last text I saw before the login window started up. (I use Verbose Startup. I like knowing what's going on while I wait for the computer to start.)

I took the battery off, let it sit, put it back, turned it on, unplugged computer, let it run on battery until it went to sleep, zapped the PRAM, and the battery is still doing the blinky blinky. There has been no problems other than FireFox causing a hard crash, but that isn't anything entirely new on this computer. The battery only lasts about 15-25 minutes on a full charge anymore, so if it is the battery I would not be too sad really. I just want to discount another logic board issue, so I may contact Mark and see what he thinks. (Does he ever read the board?) Maybe I should just e-mail him this thread since I've described everything here already.

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PostPosted: Sat Jan 20, 2007 9:57 AM 
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Ricky,

Mark's pretty busy so I'd either E-mail him or give him a call at his store.


Bob C


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