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CPU or PSU problem - Need Help!

out of a sudden while browsing the web my pc shuts down. it turns on back again with no display.


i assembled my pc by myself... its not that perfect... i had problems before and i solved it easily, this one seems to be out of my hands...

MOBO
CPU
PSU
RAM
GPU

i tried turning it off an on again...

it turned on for 2-3s then after 1-2s it somewhat restarts itself and it stays on with no beep and no display

i reseated the ram, video, sound... no luck

but somehow the automatic restart while turning it on is gone now...

still no display and no beep...

im gonna check the cpu if its fried or whatnot... but its not an easy thing to do to put it back in... so imma wait a bit if anybody can help me what to do 1st...
17 answers Last reply Best Answer
More about problem help
  1. What are your temperatures like before it shuts down??

    From looking at your specs its unlikely to be the PSU being an Antec and unless you've built it wrongly I doubt the CPU is faulty. Intel have very low failure rates!
  2. Best answer
    You should have a cmos jumper somewhere near the motherboard battery. With the system turned off, move the jumper over one position keeping 2 out of 3 pins covered and unplug the power supply. Leave it for one minute, and return the jumper to it's original position. If this doesn't reset the bios, remove the board battery for one minute, and reinstall. If these steps don't work, you may want to try a different power supply.
  3. I doubt it is the PSU. It's a quality PSU from Antec. Check your temps.
  4. taking out the pins didnt work... gonna try taking out the battery now...

    i have no idea what where the temps before the problem happened...

    it is kinda hot nowadays 80-90... what would be the worst case scenario?
  5. There's more than one 'worst case scenario'

    Do your system fans spin up??

    What about the GPU fan?

    When you say 'no display', do you mean a totally blank screen?

    does the moniter power on/awake from standby when the machine is turned on?
  6. oiramed said:
    taking out the pins didnt work... gonna try taking out the battery now...

    i have no idea what where the temps before the problem happened...

    it is kinda hot nowadays 80-90... what would be the worst case scenario?


    The CPU??? Or? (bout the temps)
  7. I'm guessing he means ambient (degrees F)
  8. Eh. OK then.
  9. What temps should i be checking???

    putting the battery back into place now...

    @needsumhelplol -

    blank screen

    yes screen goes on standby

    and GPU fan is working

    everything looks thesame...i think
  10. Go to bios and post all temps here

    Edit: i forgot you can't get to bios.. nevermind.. xD
  11. Its Booting up!!! thanks god...

    ill post the temps...in a bit...
  12. Good news... :)

    you may want to download CoreTemp ( http://www.alcpu.com/CoreTemp/ ) and GPU-Z ( http://www.techpowerup.com/downloads/SysInfo/GPU-Z/ ).

    Turn logging on from withing each program so if your system crashes again you can eliminate/confirm overheating as the cause
  13. thanks alot everyone... :)



  14. CPU temps are OK. GPU temps are high. (very high) Upp the GPU fan speed through the drivers.
  15. I thought the core clock on the 4850 was higher than that? (600 not 500mhz) xD

    is it just clocking itself down due to idle (like the 5770 does)?
  16. so that was overheating?

    guess what, my bad day is not done yet... i attached 2 more fans, and the sound card... :(

    and now the screen is blank after windows loading screen...
  17. undoing it seems to not work.. :S
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