Official drivers(work fine) of the scam(not really a scam lol) chiness :  https://www.mediafire.com/file/t7p6qtgxteh9k8u/Drivers.rar/file
Or driver compatible using GTX 550 Ti GPU (GF116

For check if you have fake graphic cards use the software GPU-Z : https://www.techpowerup.com/download/techpowerup-gpu-z/