For those looking to modify inf files, have a look at this post for the theory behind it: Can't install NVIDIA graphics driver v. 275.33 - NVIDIA Forums
Basically what you want to do is:
1. Work out the hardware ID of your GPU (via device manager)
2. Open a working inf (from a legit WHQL driver for your card)
3. Find the 2 or 3 entries that contain your hardware ID (ctrl-f)
4. Open the inf you wish to modify, & add the entries for your hardware ID (in the same locations in the 2 or 3 sections - at the bottom of each section should be fine) & save.
5. Install the driver & accept the dialogue about the driver not being verified.
Basically what you want to do is:
1. Work out the hardware ID of your GPU (via device manager)
2. Open a working inf (from a legit WHQL driver for your card)
3. Find the 2 or 3 entries that contain your hardware ID (ctrl-f)
4. Open the inf you wish to modify, & add the entries for your hardware ID (in the same locations in the 2 or 3 sections - at the bottom of each section should be fine) & save.
5. Install the driver & accept the dialogue about the driver not being verified.