I have an HP Desktop Computer and I'm Trying to install this Video Card:
[link=http://www.evga.com/products/moreinfo.asp?pn=512-P1-N724-LR][/link]
Serial Number: 92272423026380

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Part Number: 512-P1-N724-LR
Part Desc: e-GeForce 8400 GS PCI
I download the driver from EVGA like GeForce 8 Series for Windows 7 x64. With no sucess, I also try the driver from nVidia Web site Support, with the same results A attach the screenshots in hope's somebody can help me to put this card to work.

This is the information I get from the video card on the system.
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Property Value
Vendor 10DEh  nVidia Corporation
Device 06E4h  GeForce 8400 GS  
Subsystem Vendor 3842h  eVga.com. Corp.
Subsystem Device B724h 
Command 0000h  Bus Access Disabled!!
Status 0010h  Has Capabilities List, Fast Timing
Revision A1h
Header Type 00h
Bus Latency Timer 00h
Self test 00h  Self test not supported
Cache line size 32 Bytes (8 DWords)
PCI Class 03h  Display
PCI Class Type 030000h  VGA Controller
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Notes: I try entering the BIOS to disable the integrated Video Card (Intel (R) G41 Express Chipset) with the same results, I have the latest drivers for my Motherboard, Chipset, etc. I used to use this card in a Dell computer with XP Home without problems and the Installation CD I have from the card only supports XP and Vista. Also try just plugin the VGA port alone, DVI alone and S-Video alone, without sucess, by the way,  accesing to the configuration of resolution onle shows me up to 1600x900 without detecting the Monitor properly, I have an HP 2310m Monitor and the other video (the integrated one) detects without a problem, the system also have a TV Tuner on PCI, so the drivers for the PCI I think are working just fine. And yes, I'm from México and that's why my OS is in Spanish. Any help will be really appreciated.

bob16314
Welcome to the forums. Click here to read the "Guide on how to install the NVIDIA Display Driver under Windows 7/Windows Vista" which might help you. You can also search NVIDIA FAQ/Answers for other useful information.

Already try "Running as administrator" with the same results over and over again, in the FAQ Didn't find any other information, actually already try too to put everything manual (Chosing the location of the drivers C:\NVIDIA\DisplayDriver\270.61\Vista 64-bit\English\Display.Driver) without sucess, either say there is no 64 bit driver on that location or chosing "Use disk", shows me nothing, the window empty. I'm wondering about the PCI to PCI Bridge and the yellow mark  on the device manager...

Already did, without sucess, I'm about to try with ubuntu to see if automatically reconize, but my objetive its to put it to work on Windows 7, and the situation is mainly because the instalation program cannot detect the card.

It looks like your trying to run Intel and Nvidia graphics drivers together.
 Not sure if this is possible, can someone confirm ?
 
 
You may have to disable your onboard graphics  in the Bios.
 
 

man uninstall previous drivers of nvidia and install this ones i have same card now same problem first time i got it like a week ago XD just do it uninstall all previous drivers and install this ones

I hate to bump up an old thread but i am having the same exact issue and was wondering if anybody ever came up with a solution.