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Old 06-16-2011, 09:13 PM   #1 (permalink)
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Default Laptop turning off itself?

Hello TF people.
Okay this problem has happened once before and happened again today. I disconnected my laptop from the charger and worked on it with battery, then battery run out of juice so I went to plug in the laptop to the charger and continued working on it, but it turned off after a few minutes.
I turned it on again multiple times, it turned off just after seconds from going into the desktop every time ( it never lasted a minute on desktop )
I unplugged the battery and turned on with the charged multiple times, it turned off again.
I then turned it on with charger alone and it worked now.
Btw in the previous time it occured, I'm not sure if it happened all of a sudden or I unplugged the battery first just like this time.
This problem happened only after the re-installation of Windows XP on my laptop. What could be the problem?
Help appreciated. Thanks.
P.S : In the middle of my attempts of trial with charger and battery ( before the laptop worked normally again ), I turned on the laptop with the battery only and it worked.
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Old 06-16-2011, 09:21 PM   #2 (permalink)
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Default Re: Laptop turning off itself?

There must be a problem with the connection between the battery and AC. Does that battery get charged?
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Old 06-16-2011, 09:26 PM   #3 (permalink)
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Default Re: Laptop turning off itself?

Excuse me, what do you exactly mean by " does it get charged "?
And excuse me for my possible ignorance of this stuff, but how come there's a problem with the connection between battery and AC when the laptop turns off when there's charger only plugged in?
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Old 06-16-2011, 10:05 PM   #4 (permalink)
 
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Default Re: Laptop turning off itself?

He's thinking that the battery is getting drained after you plug it in as if the plugged in state isn't being recognized by the computer.
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Old 06-16-2011, 10:12 PM   #5 (permalink)
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Default Re: Laptop turning off itself?

I didn't really notice exactly, but I believe it was being charged. Question is why does it turn off in case ( the case of unplugging laptop and using it ) but doesn't in other cases when the laptop isn't unplugged?
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Old 06-17-2011, 01:05 PM   #6 (permalink)
 
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Default Re: Laptop turning off itself?

I'd thik, cause it just runs out of power.........

Oh hey, have you noticed any hotness when you plug it in and use it?

Could be a thermal shut dowen.
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Old 06-18-2011, 11:29 AM   #7 (permalink)
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Default Re: Laptop turning off itself?

How can it run out of power when there's a charger plugged in? And even when the battery isn't plugged in?
And no I don't think it's a thermal shut down, would a thermal shut down be repeated like 5 times? My CPU's temp doesn't exceed 45C according to RealTemp.
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Old 06-18-2011, 12:41 PM   #8 (permalink)
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Default Re: Laptop turning off itself?

It can shut down 100 times. Its you CPU telling you its getting too hot. But as your temps are 45, it that at 100 tjmax?
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Old 06-18-2011, 09:24 PM   #9 (permalink)
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Default Re: Laptop turning off itself?

According to RealTemp, yes it's 100 tjmax.
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Old 06-18-2011, 09:57 PM   #10 (permalink)
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Default Re: Laptop turning off itself?

Then it must have something to do with your PSU (plugs into AC) or battery.
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