PC weird shut down error

Hello there, my pc can start up, enter windows and function completely normal until it randomly shuts down. It started out not so often, mostly while playing demanding games etc, sometimes i could go on for 5 hours other time it would take 1 hour or less. It's not heat atleast, i've checked the temps and it always running below 50C. When the PC shuts down it goes black for a few seconds until it automaticly restarts til the second boots screen where i just freezes, at this time the power on/off button doesn't work which it does before the shutdown. So i have to either pull the plug or the power button behind the case. After i do so the PC doesnt respond so i can't turn in back on. Here's the weird part, i just have to keep switching between two power cables, switch between on and off until it works, sometimes it takes 1 min other times i can take up to 5. Most of my PC is less than 4 months old

System:
Windows XP professional
4gb RAM
400gb Western Digital Harddrive
8800GT 512 mb Graphic Card
Gigabyte GA-MA69GM-S2H Motherboard
Tagan 500W Power Supply

The thing is that exams are comming up and i don't have a PC so im screwed if i dont get it working.
I then tried to reinstall Windows today, but now when i start the installation the pc shuts down after only a few minuts, so now i can't install windows or anything.

Appreciate any help PS. sorry for the wall of text

Thanks - Nytz
8 answers Last reply
More about weird shut error
  1. See if you can borrow a different PSU from someone. If you know someone with a 600w or so that would be good.
  2. calinkula said:
    See if you can borrow a different PSU from someone. If you know someone with a 600w or so that would be good.


    kk i'll try
  3. I fixed the shut down error by removing one of my ram blocks at the time so i was able to get windows installed, but now when i power on the pc and get to the Windows Loading screen i get a BSOD with "Unmountable_Boot_Volume" error, and i still have to keep pulling out the cord and turning the switch on and pff until it will start but it doesnt shut down without error anymore
  4. I fixed the shut down error by removing one of my ram blocks at the time so i was able to get windows installed, but now when i power on the pc and get to the Windows Loading screen i get a BSOD with "Unmountable_Boot_Volume" error, and i still have to keep pulling out the cord and turning the switch on and pff until it will start but it doesnt shut down without error anymore
  5. I fixed the shut down error by removing one of my ram blocks at the time so i was able to get windows installed, but now when i power on the pc and get to the Windows Loading screen i get a BSOD with "Unmountable_Boot_Volume" error, and i still have to keep pulling out the cord and turning the switch on and pff until it will start but it doesnt shut down without error anymore
  6. Okay, removing them RAM didn't help as i thought. I was just lucky that the installation didn't shut down on me until i got windows installed. Now when i boot up and gets to the windows logo screen the pc shuts down after a few seconds. I've tried to run repair but the PC shuts down as soon as i enter the console recovery screen.

    Thanks to everyone who are helping me out, the big school project is tommorow and i'm screwed if i don't get it up and working.
  7. Okay, removing them RAM didn't help as i thought. I was just lucky that the installation didn't shut down on me until i got windows installed. Now when i boot up and gets to the windows logo screen the pc shuts down after a few seconds. I've tried to run repair but the PC shuts down as soon as i enter the console recovery screen.

    Thanks to everyone who are helping me out, the big school project is tommorow and i'm screwed if i don't get it up and working.
  8. It's not a software problem(well you now have one with windows not installed), sounds like your hardware is borked to me.

    Since your computer just "shuts down" whenever, it makes the PSU the main culprit since you said the temps are below 50C.

    Check to see if the fan inside the PSU is spinning. My parent's PC started doing something similar. The CPU was nice and cool, but the PSU would over heat and then just shut down without warning because the fan wouldn't start up. I was able to jump start the fan once the PC was on and it ran stable. Just did that until I replaced the PSU.
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