Question about VIA P4MA Pro Motherboard

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GeForce4 MX 420 Video Card

Hey, I am having troubles installing my PCI GeForce4 MX 420 Video Card onto my box with VIA P4MA Pro Motherboard with Windows XP Home

I currently have the card installed and drivers loaded via NVIDIA setup. Nvidia setup says that the drivers are loaded, Device Manager sees the card and says it is working properly.

However, when I change the BIOS to use the PCI instead of AGP for preferred video on boot, the machine will load fine on the GeForce card up until Windows. I get the Windows loading screen and then it goes black.

If I set BIOS to AGP everything works fine on my integrated video.

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  • Video Down Apr 04, 2008

    Well, I'm definitely sure it's a PCI card (got my A+ cert 6 years ago, haven't done anything with it since so I do understand the difference between the two).

    The board currently has one empty AGP slot, and 3 PCI slots, one with a wireless Netgear NIC card and one with the GeForce 4.

    The onboard is listed in the motherboard manual as Integrated ProSavage8 AGP Graphics.

    When I switch the BIOS to PCI, I plug my monitor into the PCI card and boot normally, windows loading screen is normal. When Windows actually loads I get a blank screen. When I switch it to AGP and plug the monitor into the onboard video, everything works fine, including device manager seeing my PCI card and telling me the drivers are up to date, through both Windows and Nvidia set-up.

  • Video Down Apr 05, 2008

    Update: I was able to boot into safe mode on my PCI card, updated drivers and I'm still just getting a blank screen after the Windows loading screen when I boot normally.

    I'm using NVidia driver folder 93.71

    I tried using a legacy driver from folder 71.84 and ran into the same problem.

    The card does work on another box, so I'm completely stumped. Is there a newer driver out there that I'm missing?

  • Video Down Apr 05, 2008

    Box that card does work properly on is an HP pavilion 7855



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First question: Are you sure you have a PCI card?
there are several points here:
Make sure you have the monitor connected to the correct output on your computer. (In this case to the output of the graphics card, not to your onboard output)
If you have a PCI card set bios to PCI
Setting it to AGP means the computer is looking for a graphics card in you AGP-slot on you motherboard.

I cannot help thinking, that you actually have a AGP card in a AGP slot and that you computer is not working on onboard, but on AGP. But you can check which graphics device is used, in display properties (right-click Desktop, Properties, Settings)

Please post some feedback

Posted on Apr 04, 2008

  • Thx_nb Apr 04, 2008

    I've dug a bit deeper, and it seems that some more people have had the exact same problem as you have. For some of them the solution was to boot in safe mode, install the latest drivers and reboot normal. Don't know if you have checked the nvidia site for the latest drivers...

    If all this is done and it doesn't work, i'd say check if the graphics card works on another system. If not, your card is stuck. Otherwise, try to get a new graphics card...

    Good luck and please post some feedback



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