my computer reboots itself and sometimes i cant turn it on.?

Question

one day i just turned on my cpu and it wouldnt turn on so i unplugged it and plugged it back in, then it started to work.. but its all messed up because it keeps rebooting, and when it doesnt reboot the computer just turns off and i cant turn it on again, only if i unplug it again.. but it does the same thing.. i dont know if i overheated it, cuz usually i keep it on, but i kept it off for the last 3 days and didnt use it, until that one day it wouldnt turn on. please help.

Answer 1

you need to right click on my computer and go to properties in system properties go to advance then start up and recovery and under system failure uncheck automatic restart but it sounds like your computer or video card is getting to hot if you have an ati video card look at the power connector if its burnt it has a loose connection check to see if it has dust under the fans and blocking the heat sink its common if you just glance you might not see the dust

Answer 2

If your computer has an athlon processor there is a big chance you may be experiencing heating problems. Thermal problems don't appear abruptly, they begin as very seldom and keep getting worse and worse....

May be you are dealing with a virus. Try using a virus detection program.

Also, if you (or someone else) moved or accidentally kicked the CPU, there is a slight chance the RAM chips may have moved sligthly out of their sockets. You may try taking them out and replacing them.

Finally, you may cosider clearing the BIOS of your computer. This is explained in the manual of your CPU/Motherboard. Sometimes unwanted results can happen from changes to the BIOS.

Answer 3

Can be a number of things but the cause most related to this problem has to do with hardware.

A noisy power supply, loose screw under the motherboard, bad CPU fan, and memory, expansion boards, socketed chips, and cables that are not fully seated are among the common causes. The motherboard could be cracked—these are usually hard to find.

Answer 4

you have an instability concern, maximum probably on the subject be counted of too plenty warmth. computer screen your temps with a software like SpeedFan and set interior the bios to close off the computing gadget at a undeniable temperature. you have adequate potential for that equipment, however the potential furnish could be undesirable. verify the 12V rails and notice if it has 20 some thing on the +12V or the two, reckoning on what you have. Use yet another potential furnish and attempt enjoying video games with that, if it nonetheless shuts off yet another component to your equipment could be undesirable, like the video card or the ram. it is advisable to publish your question on AnandTech or Toms Hardware, because there are clientele there which will help you cope with instability subjects like what you have have been given now. viruses are not your concern the two.

Answer 5

My guess is that you have aquired a virus that has messed around with your boot sector.

Try putting your windows CD in and reboot the machine. This will cause the machine to boot from your CDROM bypassing your possibly bad bootsector. You may need to enter your bios to boot from CDROM if it is not set to that already. If this works, then your bootsector is busted and you should follow the prompts to repair windows.

Answer 6

Replace the power supply. My computer was doing the same thing. I replaced the power supply and All has been working like it should for over 3 years now. Good luck

Answer 7

Unchecking the box for"restart on error" will only give you the "blue screen of death"

Answer 8

there's probably something wrong with the power source inside the computer.

Answer 9

go into your control panel and select power options and select never for all and it won't reboot anymore.