Change ForumPCs & Mobiles Forum - Laptop keeps switching off... - Page 1
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Elite
My parents laptop started switching itself off a while ago and I initially thought it was a heat issue as they sit with it on their knees a lot and it's on 24/7. I propped it up on a stand and it seemed to make a difference but it still regularly switches itself off.
Could someone give me a few diagnostic tips/tools/steps to go through to check things like running temp/disk errors etc...
I don't want to buy them a new one as they only use it for the internet and movies and it's more than capable for their needs.
Ta
Elite
Elite Donator
like al says,
also, if you can see a hatch for access to the cpu & fan assembly (some do some dont) try a little silicone spray, or if feeling a little adventurous, replace the heat sink paste (i recommend arctic silver, it's only a couple of quid on fleabay)
but only do the above if blowing the vents & fans didnt help.
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Elite Donator
Another way to check the CPU is in some BIOS options where you can get to the "Thermal Management" or "Thermal Throttling" options.
In that same page it will usually detail the CPU type and speed etc, and most I have dealt with show the CPU temp as well, might not help but if it's shutting down quick you might be able to see the temp suddenly shooting up from boot and then you know it's a thermal issue, generally the CPU heat sink paste as Ogs mentions.
Had to do this a few weeks ago to my mates Desktop in the garage, couldn't find why it was going off at random points then spotted the CPU temp spike in the BIOS to over 70 degrees before shutdown, quick pull of the fan, klean the CPU and fan mating faces, splurge of compound and within 10 minutes tops the machine is running like new again and no issues since 
Jimbo : oÞ
"There's that word again... is there a problem with the Earth's gravitational pull in the future?"
This item was edited on Sunday, 8th July 2012, 14:38
Elite Donator
As above really. Random shutdowns or freezes are normally a sign of overheating. On my tower I take a vacuum to any heatsinks, and clear the CMOS while I'm in there. With lappys I would just get a hoover hose and suck the vents.
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