My laptop restart on its own

mariosarmy

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Jul 1, 2010
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I have a problem with my laptop which restarts unexpextedly.My laptop restart without any warning.Also today my icons disappeared while i tried to open a folder.I have run memtest for 30 min ,no errors.I tried stress test cpu and ram full load for 2-3 hours with temp 70-80.Please help if you know something more.
Thanks in advance.