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Computer shutting down inexplicably (only when upright)

By MTG
Sep 20, 2005
  1. My computer starting randomly shutting down without warning while I was playing games (after 6 months of smooth sailing). This quickly progressed to shutting down when I wasn't playing games to not even being able to boot up completely before it shuts down again.

    Initial Thoughts:
    Dust
    Power Supply

    So I layed the unit down, took off the cover and dusted it all out (including the CPU heatsink/fan etc.). While the unit still lay on its side, I powered it back up and everything seemed to run fine. I booted up a game and everything was running fine when I decided to stand the computer back up, once I had it 90% upright, it shut down again. I am having no problems if I leave the computer laying on its side. What is going on??

    It's shutting down without any error messages. Just shuts completely off as if the power has been cut off. The motherboard light stays lit. CPU temps are stable between 43C and 48C.

    This is a custom computer I built myself, but would consider myself an amateur. I would appreciate any input before I start fiddling with it and messing everything up.
     
  2. howard_hopkinso

    howard_hopkinso TS Rookie Posts: 24,177   +19

    Hello and welcome to Techspot.

    Something is obviously loose.

    Start by checking that the Heatsink is properly attached to the cpu.

    Check all cards, and cables etc.

    Also check for any loose components on the mobo.

    Other than that, I`m stumped.

    Regards Howard :wave: :wave:
     
  3. MTG

    MTG TS Rookie Topic Starter

    thanks, I'll try that out and post the results.
     
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