GTX280 issue

By DaveR1379
Nov 11, 2008
  1. I recently built a new system from scratch. Pertinent details below:

    Vista Premium 32-bit SP1
    Gigabyte P45 motherboard
    4GB RAM @ 1333Mhz (2x2GB sticks, dual channel)
    nVidia GTX280 1 GB
    1000W Corsair PS

    When booting up, I do not get a display signal from the graphics card., Green LED is observed on the fan, all other fans and power start to run. I tested further and when using an older nvidia card (7900GTX 512MB), it works perfectly. I believe the issue is related to having more then 4GB total RAM. Does anyone know if its possible that having 5 Gig's of RAM on a 32-bit OS would cause display problems such as this, or does the OS just ignore any memory it cannot address?

    Additional notes: I have two seperate 6+2 PCI-E conenctors supplying the power to the card and the PS is more then capable of supporting the card. BOth DVI ports are experiencing the no display issue

    please let me know if anyone needs any other details. thanks in advance for your help.
  2. LinkedKube

    LinkedKube TechSpot Project Baby Posts: 3,485   +45

    I dont even understand why you chose a 32 bit OS with all that ram. With that said I think you answered your question.

    About 3Gb of ram is recognizable in your system, Adding a 1Gb video card just made it worst.

    Upgrade to vista 64 bit and have a nice day.
  3. DaveR1379

    DaveR1379 TS Rookie Topic Starter

    Thanks for the info, my processor is an Intel COre 2 duo E8600, is this compatible with Vista 64?
  4. LinkedKube

    LinkedKube TechSpot Project Baby Posts: 3,485   +45

    Yes, it will work fine.
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