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Old 10-27-2008, 02:36 PM   #1
Kass Johns
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Default a curious power prob with iBook G4

Hi gang,

I have been having the oddest thing happen of late. Here when I thought I had it nailed down to a bad power manager on the logic board...

My G4 iBook (12") began to suddenly show symptoms several weeks ago of losing power and powering off OR not recognizing battery as charged, OR not seeing power cord plugged in OR other hints of electrical power probs. Then a week and half ago, it just began to die -- for no apparent reason -- while I was working. Attempts to reboot it were moot.

I finally found via my old desktop unit, the resetting PMU keystrokes (in my case: battery removed, power cord out, keystrokes--Shift-cntrl-opt-PWR button for 5 seconds to "reset"). That initially worked... it then happened again several days later. It again worked, but I was down again less than two hours later. A resetting AGAIN gave me another 2-3 hours before it'd power off again (no shut down, no restart--just sudden dead/dark screen OFF).

After two days of THIS, that particular sequence quit working for me. I finally had to ADD in the old resetting the PRAM keystrokes after the reset of the PMU! That'd get me gimping along again for a few hours. Often, these power down probs came at the plugging and unplugging of AC power units (used three different adapters and cords) or when battery wore down.

So, I went searching for my install disks to reinstall OSX (Tiger) and of course, could not locate them. I even did a complete battery drain and "recalibration" of my fully functional battery. Still same problem...

Jump ahead in the story/troubleshooting... I never did find my install disks and so never reinstalled OS. I finally came to the conclusion that I did, indeed, have a hardware prob and so decided to toss money at a lateral move to a new-to-me (used) unit, rather than a logic board repair bill. What I had read in symptoms and my gut told me was that the power manager module was "heading to heaven."

I have been using my iBook as little as possible in last few days and backing up new/changed files religiously until the new computer arrives 10/31.

So, in backing up, I decided to drag all my desktop icons to one folder and alias to the desktop, remembering that the contents of the desktop are not necessarily copied when copying the hard disk contents via drag/copy. As a habit, I like to keep some handy files/icons/aliases on my desktop for pending/important tasks I do daily or will need REAL SOON. (Also work done at home that I have to remember to print/whatever at the office the next day.) It looks cluttered to some folks but it works for me. It's like having an active "hot" file folder on my actual desk top.

So, now with this cleanup/backup I have a very non-cluttered desktop as I await the new computer.

Suddenly NOW, I am not powering down "willy nilly" anymore!!! The damn thing sat plugged in and fully operational all weekend without powering off once.

I thought I may have probs unplugging it and hauling it to the office and re-plugging it in (often when it would shut itself off). But, no, it worked a-ok--powered up/woke up and I'm back in 'bidness."

Could this be a "decluttering of my actual desktop" that actually has made the difference here? I know that I have had no icon image loss (symptom of the old "rebuild the desktop" syndrome pre OSX), nor any icons that jump around where they were NOT left or any other bizarre desktop behavior... but this seems too simple and too easy for many folks to have this same problem (and so well documented in troubleshooting guides). I have had tons of users on my old network who had nasty clutter probs on their desktops. I know that if this was a real prob out there in "user world", someone, somewhere would have made this an easily recognizable troubleshooting fix.

Have any of you ever heard of similar situations or am I insane? I still do not trust this unit in any way and will work under the assumption that this is a fluke and coincidence and am going to unwillingly power down any minute.

This situation, I throw out to you for your digestion and comments...

ready to return to legal pads and pencils,

Kass
I'm going to post this to MacForum also and send it to old User Group pals to find out if anyone else has ever seen such.
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Old 10-27-2008, 02:53 PM   #2
terrie
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Hi Kass!!!

>>or am I insane?

Well...'-}}

If you were on a pc, I'd say you have/had a virus or spyware but that's unlikely on the mac...

Hope you get an answer...sure sounds weird...

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Old 10-27-2008, 04:55 PM   #3
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My only thought is - Are you sure the battery is OK? How old is it? Some of this sounds like what was happening to my Ti when my battery was dying.

   
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Old 10-28-2008, 12:05 PM   #4
Kass Johns
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Quote:
Originally Posted by sky4forums View Post
My only thought is - Are you sure the battery is OK? How old is it? Some of this sounds like what was happening to my Ti when my battery was dying.
Hi,

Yes, my battery is fine. It charges to the full 4 LEDs on the back. In fact, I ran it for three to four hours to fully discharge it last week! I have ran it again last night for two hours or so sans power adaptor just for the workout! I haven't seen any signs of "memory effect."

It *is* the original battery I got with the iBook back in Fall 2005 when I bought it new from Amazon.

I still don't trust the logic board tho... I continue to run as if it'll die any second... (I think it's trying to lull me into complacency--you know how psycho computers are! [grin & wink])

k
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Old 10-28-2008, 12:08 PM   #5
Kass Johns
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>>Hi Kass!!!

>>or am I insane?

>>Well...'-}}

Hey, I resemble that remark! ggg



Gad it's good to "see" you all again! You just get soooo busy, you look up one day and two or more years have gone by--just like THAT!

sigh

k
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Old 10-28-2008, 12:38 PM   #6
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Good grief!

Maybe it just changed its mind.

   
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Old 10-28-2008, 02:15 PM   #7
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Quote:
kass: Gad it's good to "see" you all again! You just get soooo busy, you look up one day and two or more years have gone by--just like THAT!
I know that alllllll tooooo welll...'-}}

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Old 10-29-2008, 02:27 PM   #8
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Had something similar with my PB a while back and it ended up that the power adapter had gone bad. Thankfully it was still (just) under AppleCare at the time and they sent out a new adapter.

   
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Old 10-29-2008, 05:57 PM   #9
Kass Johns
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Had something similar with my PB a while back and it ended up that the power adapter had gone bad. Thankfully it was still (just) under AppleCare at the time and they sent out a new adapter.
And that was one of my initial thoughts also... but I am using this iBook with three different adaptors every day. One permanently plugged in at the office, one at home and one "portable" one in the briefcase for when I am elsewhere. I keep a full set of the plug-in junk (keyboard, mouse, power adaptor & USB/Ethernet cables out to printers/scanners) at the office as well as home... then just the iBook itself goes "a travelin'"

I unplug it, stuff it in my bag and hit the trail every time I change location... Where I go... so goes my iBook!
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Old 10-29-2008, 06:00 PM   #10
Kass Johns
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Originally Posted by ktinkel View Post
Good grief!

Maybe it just changed its mind.
I KNOW!!! That's what made me want to post it here for your perusal! It makes absolutely no sense!



Either that or I really AM losing my mind...

(compared to my -regular- self... note that I did not use the word "normal")

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