Nvidia Geforce 6600 GT resource conflict

[MSTechNet]

After upgrading my HP dc7600 desktop from Windows XP Pro to Vista Enterprise
rtm, I am unable to get the Microsoft supplied Nvidia driver to load. Device
manager indicates a resource conflict with the Intel 945G/GZ/P/PL PCI
Express Root Port driver. All that I am able to do is use the VGAsave
driver.

Under device status for the NVidia card, it says 'This device cannot find
enough free resources that it can use. (Code 12)'.

I've tried 'Check for solutions' but found nothing.

Any suggestions?

 

[Curious]

Have you gone into your BIOS and changed the onboard Intel graphics to no
longer be your primary graphics or to be disabled?

 

[MW]

I'm having almost the same problem when I upgraded to Vista now. My GeForce 6200 card gets Code 39 and is not usable. All I can use is vgasave.

Does anybody know how to solve this problem?

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[JW]

Check to be sure you have the latest release of your computer;s BIOS
installted.
What version of the NVIDIA drivers are you using?

 

[MW]

I have the latest version of BIOS, I already checked that. However, it quite old:

Mother board: ASUS P5GD2
Chipset: I915
BIOS version: 1006.001
Date: 2005-03-21

I have tried different NVIDIA drivers:
100.65
101.41
71.84

Nothing works.

Also, although vgasave makes it possible for me to use my screen, there is still the exclamation mark on the Graphic Card Device. So I figure i isn't anything wrong with the NVIDIA drivers.

Everything worked fine in XP and also the first hour after installing Vista. Then, after a restart, it workedn't no more.

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[JW]

If you have the Intel 915 chipset which includes it own graphics chip then
make sure that in your BIOS you do not have it set so that the Intel onboard
chipset is your primary graphics driver since the graphic chip in the Intel
915 chipset is not supported by Vista.
Also how much memory is on your 6200 board?