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Computer won't turn on!!!!!

Discussion in 'Hardware' started by kluftern2, Jul 31, 2005.

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  1. kluftern2

    kluftern2 Thread Starter

    Joined:
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    Somehow last night I kept my computer on through the night and it mysteriously turned off. Now when I try to turn it on nothing happens. Sometimes I see a little flashing of the system lights but then it just dies again. I am wondering if the heat somehow fried my processor or something since it gets pretty hot here in California. Anyone have any idea what is going on?

    My system specs
    Amd 2100+ 1.73 ghz
    512mb RAM
    180 gb
    Nvidia TNT2 32mb
    Windows 2000 pro
     
  2. dobbelina

    dobbelina

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    739
    I'd test the powersupply first.
    If you think you're handy, open the sidepanel and remove the ps.
    (take note where all the wires are connected).
    With the ps removed 100% from the comp, connect it to the power cable and
    temporarily short the green wire with any of the black ones on the 20 pin
    connector.
    If the ps fan starts spinning (for 5 seconds or so), then the ps is working.
    If not, have it replaced.
    Don't short the green and black wire for a long time, it's not good for the ps.
    Tell us if it works or not.
     
  3. CouchMaster

    CouchMaster

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    Always turn the computer OFF if you won't be using it for an extended period of time.
     
  4. starship_fl

    starship_fl

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    That statement comes up every now and then.

    What would you consider a "extended period of time" to be?

    I know a guy who never turns his computer off. That seems a bit lame.

    Others turn it off and on every time they want to use it during the day. That seems to be a bit drastic.
     
  5. kluftern2

    kluftern2 Thread Starter

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    how do i short the green wire with the black one? And by 100% removing it from the computer u mean just disconecting the powersupply from every piece of hardware even fans?
     
  6. Triple6

    Triple6 Moderator

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    Rob

    While I agree testing the power supply is a good idea that procedure would prove very little. A spinning fan doesn't mean the output voltages are correct. You'd have to measure the voltage on each wire to know if the PSU is working properly.
     
  7. kluftern2

    kluftern2 Thread Starter

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    ok how do i do that? What are proper voltages?
     
  8. Triple6

    Triple6 Moderator

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  9. kluftern2

    kluftern2 Thread Starter

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    welll the shorting worked with the green and the black wire. But thats about it when I plug in the 20 connecter back in the motherboard the fans now twitch and thats it. I dont undestand how to measure the voltage for each pin still
     
  10. Triple6

    Triple6 Moderator

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    Do you have a multimeter to measure with?
     
  11. kluftern2

    kluftern2 Thread Starter

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  12. Triple6

    Triple6 Moderator

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    The negative black end goes to any black wire and the positve red end goes to the one you want to test.
     
  13. kluftern2

    kluftern2 Thread Starter

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    so i turn onthe power suppl without connecting it to the mother board?
    and just test?
     
  14. Triple6

    Triple6 Moderator

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    Did you read the link I posted? You need to connect something to it to put a load on it. I use a hard drive. I think you are gettting in above your head. If I were you I'd just borrow or take a power supply from another computer and try it in your computer.
     
  15. kluftern2

    kluftern2 Thread Starter

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    i tried the power supply witht he other computer and still nothing happened
     
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