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Computer Power On Problem

Discussion in 'Hardware' started by Peeru2004, Sep 3, 2004.

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  1. Peeru2004

    Peeru2004 Thread Starter

    Joined:
    Sep 3, 2004
    Messages:
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    Hello,

    i have a problem in my computer, when i switch on the computer,
    the power is automatically switched off.i have to give a break of
    10-12 hours to again switch it on for 5 minutes only.when it is on
    the computer BIOS is accessible. i have changed the power supply,
    changed the RAM (DIMM), even processor, but the problem is not solved.
    i have also checked the power LED connections, the lights of all LEDs are on.
    i have a pentium 4 system. Specifications of my system are as under :-
    - Mother Board - Intel D845GLVA
    - Processor - Intel 1.8 GHZ
    - RAM - 128 MB
    - HDD - 60 GB Seagate
    I have checked all the cables and connections but no success, can u help me to diagnose the problem.
    with best wishes.
     
  2. joemcse

    joemcse

    Joined:
    Aug 24, 2004
    Messages:
    9
    try resetting the bios. By removing the battery for 15 sec. and then put it back in and then try.
     
  3. pronute

    pronute

    Joined:
    Feb 12, 2003
    Messages:
    3,956
    Sounds like a bad component causing the PSU to overload, 12 hours unplugged is the reset procedure for an overload. First try running it with only the CPU, hard drive, Video card, and one stick of memory, for external peripherals only leave the monitor and keyboard. Start it up and see if it stays on if it does then start connecting every thing back up one at a time starting with optical drives. If this doesn't work from the start disconnect the hard drive etc. ending with the keyboard if all components check out then the motherboard is bad.
     
  4. Peeru2004

    Peeru2004 Thread Starter

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    Sep 3, 2004
    Messages:
    4
    i have upgraded the bios as well, now will try to remove the battery, thanks Joe.
    PRONUTE - thankz for the reply, i have already tried everything u have suggested, but if motherboard is bad, it should not switch on, can u suggest me some thing to fix the PSU overload, although i have changed the power supply as well but no success, thanks any way, waiting for some more suggestions plz
     
  5. pronute

    pronute

    Joined:
    Feb 12, 2003
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    A bad component may cause the PSU to overload and it has to power up to do this so the fact that the motherboard powers up, and you eliminated all the other components points to the motherboard.
     
  6. Peeru2004

    Peeru2004 Thread Starter

    Joined:
    Sep 3, 2004
    Messages:
    4
    Thanks Pronute!
    i have disabled most of the pci and integrated components from BIOS setup, still the problem is there. should i change to more powerful PSU, fearing it may damage the motherboard. Any more suggestion plz
     
  7. dai

    dai

    Joined:
    Mar 6, 2003
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    11,198
    what size p/s are you using
     
  8. Peeru2004

    Peeru2004 Thread Starter

    Joined:
    Sep 3, 2004
    Messages:
    4
    200 Watts, p/s unit
     
  9. dai

    dai

    Joined:
    Mar 6, 2003
    Messages:
    11,198
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