Tuesday, February 21, 2012

Update NVIDIA Graphic card driver for SONY laptop

1. Get the latest driver from NVIDIA and unpack it.
2. Look up the hardware id of the Graphic card in Device Manager -> Display adapters -> NVIDIA GeForce 8400M GS -> Properties -> Details tab. Select "Hardware Ids" from the Property dropdown checkbox and then it will be listed. There should be something like PCI\VEN_10DE&DEV_0427&SUBSYS_9008104D. Here 0427 after DEV_ is the hardware id.
3. Go the driver folder unpacked earlier and locate nvam.inf (in driver folder) and open it with any text editor. Find the entries start with %NVIDIA_DEV.0427, and replace the value after SUBSYS_
From %NVIDIA_DEV.0427.01% = Section001, PCI\VEN_10DE&DEV_0427&SUBSYS_17C21043
To %NVIDIA_DEV.0427.01% = Section001, PCI\VEN_10DE&DEV_0427&SUBSYS_9008104D
5. Save the nvam.inf
6. Run the setup.exe to install the latest driver


Rohit said...

Thanks a lot mate.. I had been looking for a way to update my drivers.. for a really long time..

just one thing to add..
I had to change the hardware id in a lot of places, even before the "=" sign and after that as explained earlier by Howard.
%NVIDIA_DEV.06E9.903F.104D% = Section001, PCI\VEN_10DE&DEV_06E9&SUBSYS_903F104D

Again Thanks a lot Howard

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