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Thread: Help - I think I killed my motherboard

  1. #1
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    Unhappy Help - I think I killed my motherboard

    Please help

    The power cable was accidentally pulled out while my computer was running.
    When I reconnected the power supply
    the green led light at the front comes on
    but pressing the power button gives no response at all from my computer.
    I changed my power supply and get the same result.

    Have I killed my motherboard?



  2. #2
    DR
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    So nothing happens - no fans spinning up at all?

  3. #3
    Resident abit mourner BUFF's Avatar
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    Try clearing CMOS.

    MSI P55-GD80, i5 750
    abit A-S78H, Phenom 9750,

    My HEXUS.trust abit forums

  4. #4
    DR
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    If that doesn't work strip down to the basics

    CPU, RAM, Cooler, GFX card

    Nothing else - unplug the lot.

    Try again - then slowly build the system back up.

  5. #5
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    Thanks a lot for your advice
    I will try what you suggested.

    No fans spin,
    the only sign of life is the little green led on the front of the case.


  6. #6
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    • NikolaX's system
      • Motherboard:
      • ABIT IP35-E
      • CPU:
      • E2160 @2.9
      • Memory:
      • Geil Ultra 4x1 Gb
      • Storage:
      • WD Black 640 Gb
      • Graphics card(s):
      • Giga. 8800 GT
      • PSU:
      • Hiper TypeR 580W
      • Case:
      • Antec Sonata
      • Operating System:
      • Win7
      • Monitor(s):
      • ViewSonic VA1912w
    Yep, you burned your motherboard
    E2160 @ 2.9 GHz ¦ ABIT IP35-E ¦ Geil Ultra 4x1 Gb ¦ 8800 GT ¦ Antec Sonata ¦ Logitech G5 ¦ Sennheiser PC150 ¦ Saitek Gamer Keyboard ¦ ViewSonic VA1912w

  7. #7
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    • npk2005's system
      • Motherboard:
      • Asus P5N-E SLi
      • CPU:
      • Intel Core2Duo E6400 @ 3.2 Ghz
      • Memory:
      • 4GB OCZ Platinum Rev2
      • Storage:
      • 320GB Seagate SATA2 Hard Disk
      • Graphics card(s):
      • Inno3D 8800GT OC 512MB
      • PSU:
      • xClio 480w
      • Case:
      • Gigabyte Aurora 3D
      • Monitor(s):
      • Samsung SyncMaster 913N 19" TFT
      • Internet:
      • BE* Unlimited
    Check for any screws which may be shorting somewhere on the board.

  8. #8
    No-one's Fanboi Thorsson's Avatar
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    • Thorsson's system
      • Motherboard:
      • ASUS P8Z77-V PRO
      • CPU:
      • i5 3570k
      • Memory:
      • 2x8Gb Corsair Vengeance PC1866
      • Storage:
      • 256M4 SSD; 2Tb 7200RPM Barracuda; 2Tb Linkstation
      • Graphics card(s):
      • EVGA GTX970 SC
      • PSU:
      • Corsair HX650
      • Case:
      • Antec 300
      • Operating System:
      • Win10 64
      • Monitor(s):
      • Dell 2515H
      • Internet:
      • Fibre Optic 30Mb
    I agree, sounds like a short. Unlikely that it's a screw seeing how this happened. I'd go along with David's suggestion, with a twist. Make sure you're earthed. Take it out of the case and put it on something electrically inert (like a cardboard box) next to it. Take everything out except the CPU & fan, connect the mobo powerleads (and the on/off switch), switch on and see if the fans now spin. If they don't, do they start to spin and then immediately stop or never start?

    I've seen similar behaviour from a blown PSU, but if you've tried a second already, it cuts that out.

    You might also try removing and then putting back the CMOS battery.

  9. #9
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    Not dead

    Many thanks for all the sugestions.

    I cleared the cmos and took everything off the motherboard
    and then connected them one by one
    and the sound card had broken.
    My pc is now working fine again.


    My computer expert friend Steve has pronounced it dead on many occasions but it still lives on.
    It is 5 1/2 years old

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