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Thread: PSU or Motherboard?

  1. #1
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    May 2008
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    Default PSU or Motherboard?

    I have a problem I just can't figure out.

    When the power button is pushed nothing happens. This only happens when the computer has been shut off overnight and then rarely.

    I have tried the power button on the mother board, no start. Tried disconnecting the power botton wires and jumping the pins, no start. Unplugged the 24-pin connector and jumped the green wire to ground, power supply starts. When I reconnect the 24-pin the computer will start. The 24-pin appears to to seat properly. When the computer won't start wiggling the 24-pin makes no difference.

    Any body have any ideas on what I should check next and how to check it?

    Hiper 5?? watt PSU
    Biostar TF8400 Motherboard
    AMD 64 5400 BE CPU
    Phenom II X3 720 @ 3700mhz, Asus Crosshair II, 2x2GB G.Skill PI Black, EVGA GTX 260, Corsair VX550, Cooler Master NV690 case

  2. #2
    Join Date
    Dec 2007
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    Try a different PSU if you can.
    (Gaming Rig) - Intel E6400 OC'd @ 3.2Ghz || AC7Pro HSF || GA-965P-DS3 Rev. 1.0 || 4 x 1GB G.Skill DDR2 800 Ram || Maxtor 320GB HDD|| 3 x Seagate 1TB HDD || NEC ND3550A DVD-RW || nVidia 8800GT 512MB PCI-E || Corsair 520HX 520W PSU || Antec P180 || Win XP Pro
    (Server) - Intel Pentium III 866Mhz || 512MB PC133 RAM || 1 x Western Digital 40GB HDD || 2 x Seagate 120GB HDD || Maxtor 320GB & 500GB HDD || Earthwatts 380W PSU || Ubuntu Server Edition

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