PCI Express gfx card stopping PC booting

By pompeymiey
Apr 23, 2008
  1. Hi!

    I have a problem after interting my gfx card into the PCI-E slot. The PC passes the POST, then reboots. If I take out the card, the PC has no issues running from the onboard. Almost all of the PC's components have been bought/replaced within the last few weeks after the problem started, apart from the CPU, and the power supply.

    The specs are:

    MB - Biostar P4M900-M7 SE
    Bios - Latest from Biostar as of today
    Graphics Card - Novatech/ECS Elitegroup GeForce 8600GT 512MB GDDR3 PCI-E
    CPU - Pentium 4 2.8Ghz HT
    PSU - ACE 480X 480w atx
    Ram - 2 GB OCZ DDR 667
    HD - 80GB Fujitsu 80 GB SataII
    DVD - generic cheap from novatech
    Vista ultimate

    Any help would be greatly appreciated :)
  2. kimsland

    kimsland Ex-TechSpotter Posts: 14,524

    Well as you probably know, they are compatable together (vid and m/b)

    I suspect it's faulty pci-e slot (sometimes dust)
    Or mounting incorrectly (probably unlikely)
    Or power supply (probably this)
    Oh, and faulty video card (probably not)
  3. pompeymiey

    pompeymiey TS Rookie Topic Starter

    The gfx card was previously a 8500GT, and I suspected this to be a problem, so I changed it and no change...

    One of my thoughts was the PSU, maybe not enough voltage carried through the 12v rail...

    Will try & change the PSU as soon as I can & keep updating.
  4. tweakboy

    tweakboy TS Guru Posts: 467

    Maybe this guy didn't connect the molex straight from PSU to graphics card,, no or nos,,,
  5. kimsland

    kimsland Ex-TechSpotter Posts: 14,524

    nah it sounded like he knew what he was doing
    But possible, even I did it once, thankfully the high pitch scream (!) helped me remember, oh this card has its own power lol :)
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