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30393
February 21st, 2012 13:00
Laptop restarts when I unplug
My laptop (about 1 year old) has just recently been having a problem.
It restarts when I unplug it from the power (either from wall or laptop itself).
It doesn't do it every time, I unplug my laptop twice a day and sometimes it will restart both time/sometimes neither time/sometimes one time.
What happens is I unplug and the screen turns black, then a blue screen full of numbers/letters (I can't see it long enough to read it) and then it restarts.
I did see the word software last time but nothing else.
This is a recent thing (last 2-3 weeks) never happened before.
It does it when unplugged from both places I plug it in (main floor & basement) so it can't be the socket.
The battery works fine on it's own.
Can anyone tell me what this can be and how to fix it?
Thanks,
Jessica
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jackshack
6.4K Posts
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February 21st, 2012 13:00
Are you unplugging the laptop while it is still running? That is not a very safe practice so far as your data is concerned. When used on the AC adapter, the laptop is powered from the adapter and the battery is charged via a separate circuit. When you disconnect, the circuits that handle charging and routing the battery power to the laptop must make a switch from charging the battery to supplying battery power to the laptop main circuit board. When this occurs, power can be momentarily disconnected, and this can cause a reset to be issued to the processor. A reset tells the computer to re-initialize, basically rebooting the system. If your computer is writing anything to the hard drive when this happens your hard drive can become corrupted, requiring a re-installation of your operating system and all applications.
I recommend that the AC adapter be connected or disconnected only while the computer is off.
Jessicadelage
2 Posts
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February 21st, 2012 14:00
So every time I want to move my laptop I have to turn it off and then turn it back on a few minutes later?