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all usb ports and gpu not working

Discussion in 'Hardware' started by corwalker, Jan 11, 2015.

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  1. corwalker

    corwalker Thread Starter

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    my desktop PC is having some issues not sure how it happened but my display stopped working . My USB ports have stopped working as well.I opened up my pc the motherboard appears to have power..

    any ideas?

    thanks in advace
     
  2. dustyjay

    dustyjay

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    Jay
    please clarify "appears to have power"

    Please post your system specs, To include Make and model System if Big Box, or same info for the following if custom or home built, Mother Board (including Revision number), Processor (Exact Model Number), Ram, Video Card, Hdd(s), Optical Drive(s), Power Supply Manufacturer Model, Wattage and Amperage on the +12V Rails, OS, and any other peripherals installed on the motherboard.
     
  3. corwalker

    corwalker Thread Starter

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    It is a custom built rig I had it built about 3 years ago. I'll try my best to remember all the parts. 16gb of ram corsair brand. An Asus motherboard equipped with an Intel core I7 6100 series. The gpu is a HIS brand amd radeon 6870. The reason I say the motherboard appears to have power is because the reset and power buttons have light and the fan on the cpu is still spinning.
     
  4. dustyjay

    dustyjay

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    Lites and fans do not mean the system is receiving the proper power to operate the system. It could well be the power supply. You did not include the power supply specs. The best way to test this is to connect a known good power supply (with sufficient power) into your system. If your system boots up properly you have found the problem.
     
  5. corwalker

    corwalker Thread Starter

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    Sorry about that it's a corsair Ax 850 a new development has happened when I turn it on now it loses power for a about 3 seconds but then my computer turn on and stays on but same thing the USB ports don't work and the monitor does not get a display. I tried swapping power cords and changing rooms but so far nothing.
     
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