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Windows 7: Nvidia GeForce 8400M GT not found after Windows 7 64bit install

09 Apr 2013   #11
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

Reference Nvidia drivers will never install on a Sony laptop without modifying the INF first. You can do it yourself by adding the DevID and ProdID string to the INF from the reference driver, or you can go here,

LaptopVideo2Go: Drivers

and get it already modified.


My System SpecsSystem Spec
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09 Apr 2013   #12
TwoCables

 

Quote   Quote: Originally Posted by stormy13 View Post
Reference Nvidia drivers will never install on a Sony laptop without modifying the INF first. You can do it yourself by adding the DevID and ProdID string to the INF from the reference driver, or you can go here,

LaptopVideo2Go: Drivers

and get it already modified.
Oh wow. Thank you for coming to the rescue!
My System SpecsSystem Spec
09 Apr 2013   #13
conorgreen

Windows 7 Home Premium 64 bit
 
 

The 296.10 driver extracted fine into C: - Nvidia - DisplayDriver

Yet again though, the installer failed when doing the 'system check' and showed the error:

Nvidia installer cannot continue.
The graphics driver could not find compatible graphics hardware.

and the only option was to close the installer.

Do you think its possible that there is something I have to do before installing the driver?.

Thank you for bearing with me by the way, much appreciated.
My System SpecsSystem Spec
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09 Apr 2013   #14
conorgreen

Windows 7 Home Premium 64 bit
 
 

Just read the post about the INF file.

I used the link and entered in the search part the relevant information from clicking on Device Manager > Display Adapters > (right click for properties) Standard VGA Graphics Adapter > Details > Hardware Ids (from the dropdown menu)

I also filtered for only Windows 7 64bit files, so should i choose the most recent one or the oldest? I will need help with the INF part so please bare with me.
My System SpecsSystem Spec
09 Apr 2013   #15
conorgreen

Windows 7 Home Premium 64 bit
 
 

Right, after looking into the INF file stuff, I have got rid of the previous Nvidia driver folders to try a fresh download of one of the drivers from the site listed earlier.

The first driver I tried did not show a INF file in the relevant folder so I could not overwrite it with the relevant modded INF file.

I am trying a different driver from the website to see if the INF file appears, if it doesnt then I may try other drivers on the site, if it does appear, I will overwrite the INF file with the modded one and then run the setup installer and see what happens.

If nothing works from there, can i assume my graphics card is dead?
My System SpecsSystem Spec
09 Apr 2013   #16
TwoCables

 

Quote   Quote: Originally Posted by conorgreen View Post
Right, after looking into the INF file stuff, I have got rid of the previous Nvidia driver folders to try a fresh download of one of the drivers from the site listed earlier.

The first driver I tried did not show a INF file in the relevant folder so I could not overwrite it with the relevant modded INF file.

I am trying a different driver from the website to see if the INF file appears, if it doesnt then I may try other drivers on the site, if it does appear, I will overwrite the INF file with the modded one and then run the setup installer and see what happens.

If nothing works from there, can i assume my graphics card is dead?
You have to attempt the installation first because it will generate the .INF file.
My System SpecsSystem Spec
09 Apr 2013   #17
conorgreen

Windows 7 Home Premium 64 bit
 
 

Oh i see, wow that makes sense now.

Im not THAT great with computers but i can get my way around the general things so this might take some figuring out.

Right now im extracting one of the downloaded drivers, then i will attempt an install which will generate the INF file.

I will post with results ASAP.
My System SpecsSystem Spec
09 Apr 2013   #18
TwoCables

 

Cool. I hope this works!
My System SpecsSystem Spec
09 Apr 2013   #19
conorgreen

Windows 7 Home Premium 64 bit
 
 

Right I have attempted the install, which obviously failed.

The INF file was called NVDM which i saved a copy to my desktop and then copied over the modded file info into that and saved it. then I dragged and dropped that file into the relevant folder so replaced the original NVDM file with the modded one.

What now? do i rerun the installer? or would this just overwrite the NVDM file?

For reference, I downloaded driver 302.77 from the website you suggested.
My System SpecsSystem Spec
09 Apr 2013   #20
conorgreen

Windows 7 Home Premium 64 bit
 
 

I just went ahead to re run the installer but the same error message appears:

Nvidia installer cannot continue.
The graphics driver could not find compatible graphics hardware.

Am i at a dead end?
My System SpecsSystem Spec
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