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PC Shutting down after few seconds

  • 08-07-2010 1:47pm
    #1
    commander cool
    Registered Users, Registered Users 2 Posts: 15 ✭


    Hi,

    I have a desktop PC and when I try to boot it up it will power down after like 2 seconds. The power light will come on and then I hear a small beep and it then shuts down. I have opened the pc while booting up and the fans are running (CPU fan etc.) I reseated all connections but still the same thing.

    Do you guys have any idea as to what this could be.
    Thanks in advance.
    Tagged:


Comments

  • #2
    Adam
    Closed Accounts Posts: 8,866 ✭✭✭Adam


    make and model of pc?


  • #3
    RoadKillTs
    Closed Accounts Posts: 1,710 ✭✭✭RoadKillTs


    Will it go past the BIOS? Any beeps?


  • #4
    Adam
    Closed Accounts Posts: 8,866 ✭✭✭Adam


    he mentioned one beep which is usually all systems go on ibm standards


  • #5
    commander cool
    Registered Users, Registered Users 2 Posts: 15 ✭commander cool


    Sorry its an Emachine E4252. I cant see it going into the BIOS, nothing is coming on the monitor. It will power on and you can hear the fan and then it shuts down. I can hear 1 beep and then shuts down.


  • #6
    Adam
    Closed Accounts Posts: 8,866 ✭✭✭Adam


    http://www.intel.com/support/motherboards/desktop/sb/cs-010249.htm

    on a bbit of reading it may be a memory problem. try removing the ram and reseating one at a time and then testing after each one


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  • #7
    commander cool
    Registered Users, Registered Users 2 Posts: 15 ✭commander cool


    Il try and let you know. Thanks for the quick responses.


  • #8
    liamw
    Closed Accounts Posts: 1,780 ✭✭✭liamw


    If that doesn't work try another power supply


  • #9
    wolfric
    Registered Users, Registered Users 2 Posts: 1,190 ✭✭✭wolfric


    A good idea would be to temporarily remove everything (extension cards,ram, drives, and all cables, usb and otherwise keyboard mouse included etc.

    If the computer stays on, add components back one by one (ram and keyboard first as they come in handy).

    Don't worry if you don't have a graphics card i assume you can see if the fan powering down so you know and since you have no hard drive plugged in theres no problem i just hitting the power button.


  • #10
    unnameduser
    Registered Users, Registered Users 2 Posts: 1,081 ✭✭✭unnameduser


    It sounds ike a power issue. Do you have a spare power supply to swap into the machine to test. Usually (not always) if other components fail the fans etc continues to spin.

    How has the machine been working up to now. Have you noticed any change in performance.

    It sounds funny but maybe open up the case and sniff - if you can smell a burnt smell then one suspects something has burnt out.


  • #11
    Webmonkey
    Registered Users, Registered Users 2 Posts: 9,579 ✭✭✭Webmonkey


    The first time you boot your PC after a long time, does it stay on longer that when you keep trying repeatedly?

    Could be heating issue. But a common one above is a PSU problem. A lot of problematic PSU's die when the load increases.


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