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Windows 7: Problem with updating Nvidia Geforce 8400M GT graphics card

29 Aug 2010   #1

Windows 7 Ultimate x64 w/SP1
 
 
Problem with updating Nvidia Geforce 8400M GT graphics card

Hi,

I successfully installed Windows 7 Ultimate 32-bit by choosing custom install on my Sony Vaio VGN-NR21S. I didnt delete my Windows Vista Home Edition 32-bit recovery partition.

I am having difficulty in updating the graphics card which is a Nvidia Geforce 8400M GT. I downloaded a desktop 8400 driver from Nvidia site(UK) for me.

I then used the mobility modder tool for Nvidia and it modified the inf file. I then ran the Setup.exe from the Nvidia directory.

The problem is that i keep getting a message saying "The System has not been modified" after running the setup.exe

I then tried the notebook 8400M GT driver from Nvidia site(even though its not supported by Sony) That didnt work.

So i then tried using the Mobility modder on the notebook 8400M driver but the same problem occurs.

I am not confident in modifying the inf file outlined in the following:

LinkNVIDIA Driver - Convert from Desktop to Mobile (Laptop):

Here are my hardware ID's:

PCI\VEN_10DE&DEV_0426&SUBSYS_902D104D&REV_A1
PCI\VEN_10DE&DEV_0426&SUBSYS_902D104D
PCI\VEN_10DE&DEV_0426&CC_030000
PCI\VEN_10DE&DEV_0426&CC_0300

if possible could somebody create me an inf file please?

Thanks in advance,

My System SpecsSystem Spec
.

29 Aug 2010   #2

Windows 7 Pro X64 SP1
 
 

This wasn't what you asked, but -

Can you install the Vista graphics driver?

I had to do something like that with my Compaq notebook (8200M graphics). Since doing that, I was able to get drivers from Windows Update or use the generic nVidia mobile drivers. I can't tell you whether it was necessary, but it may have helped.
My System SpecsSystem Spec
30 Aug 2010   #3

WINDOWS 7
 
 

yes,my graphic card is discreted card means its detatchable,,,,,,,,,,i see it ,when i update my bios to slic 2.1,,,,,,after installing nvidia drivers from nvidia.com.....after i update my bios ,,,,,,here i face my problem ..now my display split into two some times 6 r 8..when i used powerstrip..it shows my monitor screen resolutions to 1600*1200..but my display supports only1200*800...is this actual problem ...so how can i change to my actual settings



when i reset my monitor settings to 1200*800...using powerstrip and i update with my original bios and restart..it show 1200*800...but when i update my nvidia driver it again dhow 1600*1200...
so i hope u got my point ,,so please help me ,,,it is hell for me past 1 year.....
My System SpecsSystem Spec
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30 Aug 2010   #4

Windows 7 Ultimate x64 w/SP1
 
 

Hi,

Thanks but I couldn't get it to work. I therefore tried the following tutorial and the graphics driver was installed with the correct resolution.

NVIDIA Driver - Convert from Desktop to Mobile (Laptop)

Naresh9, try uninstalling the current graphics driver and then get the latest update from Nvidia site. I don't know what powerstrip is so I would try installing the update without using powerstrip and see if the problem goes away.

Anyway when I installed the desktop driver for my card I ran the downloaded exe and it extracted successfully but when it got to the installation part it failed.

I then modified the NV_DISP.inf file as stated in the tutorial and I went to device manager, right clicked on standard vga card Clicked update driver software. selected Browse my computer. selected Let me pick from a list. selected Have disk. selected Browse. Found the NV_DISP.inf I just edited and double clicked on it. Selected ok and it installed.

I then restarted the laptop and the problem was fixed

Running setup.exe wasn't required after restarting the laptop.

I hope the above will assist those who do have Sony vaio laptops.
My System SpecsSystem Spec
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 Problem with updating Nvidia Geforce 8400M GT graphics card





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