My computer is turning itself off after about 5 minutes. Why?

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My laptop turns itself off randomly. Its been sent back to the company and "repaired" it had a new fan, but its obviously nothing to do with the fan as its still doing it. It happens about once a week and the only way to get it back on is to remove the power cable and put it back in again, then the fan blows out really hot air. Its definitly not a virus. Can anyone help me please?

my computer shut down after a seconds when i open it. it says there that i failed to load hardware monitordevice.

My acer just turns itself off and on whenever it feel like it. It is 2yrs old and did it in the first few weeks, then stopped and now it is doing it again?????????

Hello, my computer just turns itself off it closes all programs and turns itself off.
what should i do?

My PC is turning itself off minutes after turning it on. It's not on long enough to open anything as it does not finish loading before switching off. it can't be the fans as at most it only stays on for 90 seconds. Anyone got any ideas or should I take it to a repair shop?

hi i have a problem with my computer when i turn it on like 3-7 sec it turns off and I checked everything and everything seems to be fine and i cant seem to figure out and like one click will instant turn off

why system get rebooted every after 5 mns

My computer turns itself off after Ive watched long videos on YouTube or after Ive ran Norton antivirus.

My computer keeps turning itself off every 5 minutes and every time I cut it on again it takes shorter and shorter time to cut off until it just won't cut on at all. Then I let it sit for a few hours and I can go through the routine again. I vacuumed the fans, but now I don't know what else to do.

First thing, unplug your machine. Then, I would suggest taking everything off the motherboard to include any extra video card, sound card, phone modem, etc, also unplug the wires connecting to the A: Drive (floppy), CD/DVD drives, and Harddrives. Then after you have that done take the small (watch size) battery out for 15 seconds or longer. By taking the battery out of the motherboard it resets to default. I would plug the machine back into the wall after plugging the monitor and keyboard and mouse into it. Start it and hold the F2 or whatever the systems screen says for setting or setup. If while you sit on that for 10 minutes it shuts off during that time it means its your motherboard. Sorry for that bad news... If you call the manufacturer of the product you have and ask for the replacement cost or repair do it. If they cant I would ask for a model of replacement and they are and will sell you it cheap. Yeah a same or better model. Unless its new Id just take it back to the store and get your money back. But anyways I hope this helps.

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