Computer shutting down after 1 second of powering on?

By SubKamran
Oct 20, 2005
  1. Today I built 2 computers using AMD Athlon XP 2700 CPUs and I had them all set up. Well, when I turned both of them on they each powered on for about 1 second and then shut down.

    I wracked my brain, I unhooked everything and tested, I even laid the motherboard out on a static-free bag to try and test it.

    Well, it turned out I had put both heatsinks on backwards...

    So kids, don't do what I did :D (Both work fine now) It was a waste of 2 hours...
  2. howard_hopkinso

    howard_hopkinso TS Rookie Posts: 24,177   +19

    I don`t know if this was your first time building, but we all make mistakes from time to time.

    At least there`s no permanent damage done.

    I guess you wont ever make that particular mistake again lol

    Regards Howard :) :)
  3. SubKamran

    SubKamran TS Rookie Topic Starter Posts: 166

    No, because it wasn't my first time I just was in a hurry to set it all up. :p
  4. Shadowrunner

    Shadowrunner TS Rookie Posts: 106

    sounds like something might be shorting, i had the same problem - carefully take the heatsink offa the CPU and take the CPU out CAREFULLY and check dor any bent pins. i dont know but it really sounds like something is shorting
  5. Shadowrunner

    Shadowrunner TS Rookie Posts: 106

    oh so you already fixed it.. Heatsink on backwards? thats insane :dead: :dead: :dead:
  6. kirock

    kirock TS Rookie Posts: 1,221

    Lucky for CPU overheat auto shut down function!! :giddy:
  7. joman2055

    joman2055 TS Rookie Posts: 19

    I have a better one. When i built the comp im using (first build ever) I got this Aero heatsink and it came with this little metal pad that said cooler master on it. I asked the guy at the store if that little pad went on the CPU and he said yes so when i started buildin i put the lil pad on the CPU and the heatsink already had thermal paste on it so i set it ontop of the pad. My comp would shut down when i tried installing windows and the BIOS said the CPU was really hot (dont remember how hot) well i ended up finally finding out that the lil pad was a CASE STICKER! no more askin the ppl at the store.
    Just thought i would share
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