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Thread: GA-MA790X-UD3P + Monitor/cd-rom not powering up

  1. #1
    Join Date
    Jan 2010

    Default GA-MA790X-UD3P + Monitor/cd-rom not powering up

    hi, I've checked through some previous threads about this 'common problem' i have and still haven't figured out the problem.

    This is my first time i've built a pc and it runs:

    Mobo: GA-MA790X-UD3P
    Gfx: Nvidia GeForce 8800 gts
    PSU: 800 Watt ATX12V
    Ram: 2x 512mb
    HD: 320GB
    Processor: AM2 phenom quadcore

    Anyway, I've purchased PSU after PSU thinking this was the problem. This mobo requires at least 500 watts. And the gfx card requires 400 watts. The unit boots up fine, however the cd-rom drive won't open and the monitor will not flick onto the boot screen. Its on but goes into stand-by mode.
    I've downgraded the gfx card to a low power consuming one and still the same result. I've checked loose wires dozens of times, started the pc with minimal components connected etc, no change. The monitor is not the issue.. connected it to a laptop and its perfect.
    Is it possible the new mobo is faulty? (overclockers product)
    Last edited by lewisaussie; 01-20-2010 at 04:27 AM.

  2. #2
    Join Date
    Apr 2009

    Default Re: GA-MA790X-UD3P + Monitor/cd-rom not powering up

    Did you try clearing cmos?
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home

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