Re: [SOLVED] Re: PLEASE HELP!!!!! [SOLVED]
Re: [SOLVED] Re: PLEASE HELP!!!!! [SOLVED]
- Subject: Re: [SOLVED] Re: PLEASE HELP!!!!! [SOLVED]
- From: Simon Wilson <email@hidden>
- Date: Mon, 19 Jan 2009 11:43:56 +0100
> I have two batteries for my MacBook Pro. One must have a defective
power management controller - or maybe it's just badly calibrated. In
any event, when I'm using that battery, I don't get a low battery
warning, but the MBPro just shuts down immediately w/o hibernating or
anything.
I'd guess that your battery is defective.
This has happened with 3 MacBook Pro batteries of mine and 1 MacBook
battery of my wife's, representing a 100% failure rate in our household.
In every case the battery was replaced free of charge by my local
Apple dealer.
On a side note: The new MacBook Pros charge *much* slower than the old
ones. I can only hope this is in an attempt by Apple to extend battery
lifetime and decrease the failure rate.
Simon
On Jan 19, 2009, at 10:30 AM, Jens Miltner wrote:
Am 18.01.2009 um 22:31 schrieb Steve Checkoway:
On Jan 17, 2009, at 3:43 PM, j o a r wrote:
On Jan 17, 2009, at 3:28 PM, Greg Guerin wrote:
Another moral to the story is to stop working when the battery
approaches zero. Seriously.
I would put it another way: Under normal circumstances it's
unacceptable to have data loss because the system runs out of
battery power. The OS should perform a controlled shut down or go
into hibernation well before that happens.
I'm a bit confused by this. My laptop throws up a warning when it's
nearly out of power and if you still leave it on, it goes to sleep
after a few minutes and will not turn back on until it has been
plugged in. This happens to me all the time on the airplane while
watching movies. There's never any data loss. When I get to where
I'm going, I plug it in, open the lid and everything is fine.
The power only completely dies if I don't plug it in for a long
time (a day, say) after it has gone to sleep.
I have two batteries for my MacBook Pro. One must have a defective
power management controller - or maybe it's just badly calibrated.
In any event, when I'm using that battery, I don't get a low battery
warning, but the MBPro just shuts down immediately w/o hibernating
or anything.
When running on the other battery, things are just as I'd expect
them...
(FWIW, I tried resetting the MBPro's SMC, but this didn't change
anything so far. I haven't yet taken the time to try and run a
deeper analysis on what exactly the problem is.)
I guess my bottom line is that bad things _do_ happen, even if not
supposed to ;-)
</jum>
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