How to use NVCleanstall 1.9.1 or later for driver modding and signing Unpack driver with 7zip Open NVCleanstall select "use driver files from disk" select components to install select "add hardware support" under installation tweaks select name, then ID (the hex number from the right) select a GPU as template which is most similar to the target GPU confirm success in device manager Mobile Kepler users please review Support