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Thread: Hardware Problem

  1. #1
    HEXUS.social member Disturbedguy's Avatar
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    Hardware Problem

    Hi guys,

    Mate is having a problem, have copied this from another forum.

    Hi guys,

    Really annoying problem.
    The other day I unplugged my PC at the mains (PC was turned off) and then plugged it back in, tried turning it on and nothing happens. Unplugged everything from the PC and from the power extension and tried again, fans on the PC spun up for a second but then just stopped.
    Power and Reset lights on Mobo started to flash after this was done.

    Removed everything from Mobo (gfx card, RAM) and tried again still powers on for a second then turns off and lights go back to flashing (to stop the lights flashing I had to turn the PSU off.
    Presumed it was the PSU that had failed so bought a new one (SilverStone Strider Gold SST-ST1000-G).

    Installed the new PSU and plugged everything in and the same thing happens, power for a second or so and then powers off. Unplugged everything but Mobo from PSU and tried again, still nothing. Unplugged all RAM and it then powered on. Put one stick in, powered on fine, put Mobo 4pin into PSU and it then failed to start, unplugged it and it worked fine again.


    Plugged everything in PSU testing one at a time and they all worked apart from when the HDD was plugged in, that had the same affect as the 4pin Mobo cable. Did a few more tests and it's now stopped powering up again even with only the EATX cable plugged in, RAM removed. Unlike before when it fails to power up the Power and Reset lights do not flash, they remain constant.


    Checked all components none, look singed or bulged. Checked CPU and it looks fine.
    When the machine did power on even with it plugged into the monitor nothing was displayed.

    Any help is appreciated .

    Mobo: ASUS P6T
    CPU: Intel i7 (Corsair H50 water cooling)
    RAM: 6GB Corsair Dominator
    PSU: SilverStone 1000watt
    GFX: Nvidia GTX295
    Quote Originally Posted by TAKTAK View Post
    It didn't fall off, it merely became insufficient at it's purpose and got a bit droopy...

  2. #2
    Senior Member Pob255's Avatar
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    Re: Hardware Problem

    Did he turn off the psu (switch at the back) or at the wall socket before he unplugged it?

    Sounds like his motherboard died.
    When you plug and unplug the psu mains cable you can get arc's and power spikes if the cable is live which send spikes into the psu, a good psu shouldn't pass these on via the +5vsb (if the psu is switched on at the back) but it can, these spike carried over can fry the board.

    Might be able to get away with replacing the BIOS chip (loove like it's the removable type rather than soldered in.
    It's a long shot though.

  3. #3
    HEXUS.social member Disturbedguy's Avatar
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    Re: Hardware Problem

    Just got a text saying he has got it to Windows but his USB devices arent showing.

    I think its a dead motherboard like I told him last week.


    Apparently the PSU didnt have a switch on it so im suspecting something cheap and crap..
    Quote Originally Posted by TAKTAK View Post
    It didn't fall off, it merely became insufficient at it's purpose and got a bit droopy...

  4. #4
    Senior Member Pob255's Avatar
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    • Pob255's system
      • Motherboard:
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      • Memory:
      • 2x 4gb Corsair Vengence 1600mhz cas9
      • Storage:
      • 250gb SATA Westerndigital + 500gb samsung +1tb Samsung
      • Graphics card(s):
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      • Case:
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    Re: Hardware Problem

    Probably spiked the motherboard.

    At £13ish quid it might be worth trying to swap the BIOS chip http://www.ebay.co.uk/itm/Asus-P6T-B...item415ea9a955

  5. #5
    HEXUS.social member Disturbedguy's Avatar
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      • Motherboard:
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      • CPU:
      • i7 8700K
      • Memory:
      • 16GB Corsair something or other
      • Storage:
      • 1 x Samsung 960 EVO (250GB) 1 x Samsung 850 EVO (500GB)
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    Re: Hardware Problem

    I dont think he would chance that lol.

    Apparently the PSU is an Everest model with the power cable attached to it :/
    Quote Originally Posted by TAKTAK View Post
    It didn't fall off, it merely became insufficient at it's purpose and got a bit droopy...

  6. #6
    HEXUS.social member Disturbedguy's Avatar
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    • Disturbedguy's system
      • Motherboard:
      • Asus Rog Strix Z370-H Gaming
      • CPU:
      • i7 8700K
      • Memory:
      • 16GB Corsair something or other
      • Storage:
      • 1 x Samsung 960 EVO (250GB) 1 x Samsung 850 EVO (500GB)
      • Graphics card(s):
      • GTX 1080Ti
      • Operating System:
      • Windows 7 Ultimate
      • Monitor(s):
      • 32inch Samsung TV
      • Internet:
      • Crap

    Re: Hardware Problem

    Apparently, its now working fine with no issues...
    Quote Originally Posted by TAKTAK View Post
    It didn't fall off, it merely became insufficient at it's purpose and got a bit droopy...

  7. #7
    Senior Member Pob255's Avatar
    Join Date
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    • Pob255's system
      • Motherboard:
      • Asus M5A99X EVO
      • CPU:
      • PhenomII x4 955 & CM Hyper 212+
      • Memory:
      • 2x 4gb Corsair Vengence 1600mhz cas9
      • Storage:
      • 250gb SATA Westerndigital + 500gb samsung +1tb Samsung
      • Graphics card(s):
      • Asus GTX560ti CuII
      • PSU:
      • Be Quiet E9 680w
      • Case:
      • HAF 912+
      • Operating System:
      • W7 Pro
      • Monitor(s):
      • Dell 21" ips something

    Re: Hardware Problem

    FSP did a series called everest, but they didn't have a fixed psu cable and do have a power switch.
    http://www.scan.co.uk/products/600w-...uiet-fan-atx-v
    unless he means that the 24pin and 4/8pin connectors are fixed,which is standard on most modular psu's

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