This is for x86. x64 is slightly more difficult due to driver signing enforcement.
You can try to permanently disable this "feature" of Windows 7 x64 by searching Google. Please do not ask me how as I do not use x64 and
don't know. But there is a way. If you can't find it, for x64, you will have to use f8 or similar key to start the machine each time.
1) Download the latest
desktop driver for Windows 7 and the card that is closest to yours from
NVIDIA's website.
2) Extract the installer to C:\NVIDIA - Close installer after extraction. It is not needed now any longer.
3) Find NV_DISP.inf and open it in notepad.
4) Look at the models of cards listed. Choose to edit one that is closest to yours.
5) Open device manager. Right click on standard vga or your video card and choose properties. Details tab. Change drop down to hardware ids. The second line down is of interest here.
6) In the .inf, scroll to the bottom [Strings] section. Again, look for most similar desktop model. Change the beginning part to match what you found in last step 5. For example:
NVIDIA_DEV.0421.01 = "NVIDIA GeForce 8500 GT"
and you have 8400M GT, change it to
NVIDIA_DEV.042
6.01 = "NVIDIA GeForce
8400M GT"
7) Now look up higher in the .inf and search for the number you edited. In this case, "0421" will lead you to this line:
%NVIDIA_DEV.0421.01% = Section010, PCI\VEN_10DE&DEV_0421
8) In this line, edit like this and add your particular string from step 5:
%NVIDIA_DEV.042
6.01% = Section010, PCI\VEN_10DE&DEV_042
6&SUBSYS_9016104D
Note the changes made between step 7 and this in
red. Do similar for your particular hardware string.
9) Save the .inf (ctrl+s)
10) Right click on standard vga in device manager. Click update driver software. Browse my computer. Let me pick from a list. Have disk. Browse. Find the .inf you just edited and double click on it. Hit ok so it installs.
11) Reboot and rerun the .exe from step 1 until completion, to install the NVIDIA control panel.
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