Answer
Rule of thumb, start with the Obvious. Sequence of Events as Described : 1.System will boot. 2.System turns off, randomly. 3.Antivirus software, Up to Date? 4.New Hardware installed, Memory module, or new Harddrive ,etc.? 5. Updates applied to system ?
6 Next Options> a. If Antivirus is run, no virus proclaimed, go to b] Hardware failure
any screens with error messages ? if not, overheating of the power supply is possible, or fan failure, causing the processor or harddrive to be automatically cutoff as a safety mechanism. Try cleaning out dust from your computer first, then listen carefully after bootup for fans kicking in. if no fan, it may be your problem. Replace it. Also, check your screensaver and hibernation settings in control panel, they could be initiating what appears to be a shutdown. Hope this helps.
Answer
insufficient power supply try to check ..? grounded mother board try to losen up your screw or putting a masking tape.....
First answer by anonymous. Last edit by ID3417393177. Question popularity: 190 [recommend question]
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