Use the NVIDIA Advanced Driver Search . Enter "GeForce GTS 450" in the product field and select your OS. This will usually list the 390.xx drivers first.
For users running Ubuntu, Debian, or Fedora on older hardware, the open-source nouveau driver supports GF106 out-of-the-box, but performance is poor (no re-clocking support). The proprietary NVIDIA 390.157 driver is superior. nvidia gf106 driver
sudo add-apt-repository ppa:graphics-drivers/ppa sudo apt update sudo apt install nvidia-driver-390 sudo reboot Use the NVIDIA Advanced Driver Search
This is the infamous "Fermi death rattle." Often related to dying VRAM or a faulty power state. Solutions: or Fedora on older hardware
The 391.35 driver works reliably, though it lacks optimizations for games released after 2018.
Even with the correct drivers, GF106 users often encounter specific issues.