Nvidia drivers ( no free drivers ) stop support in drivers linux older than 340 series
also about to end
[Nvidia] Deprecation of 340xx driver series
any update version Xorg may end older nvidia drivers
sudo mhwd -l
> 0000:01:00.0 (0300:10de:13c2) Display controller nVidia Corporation:
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NAME VERSION FREEDRIVER TYPE
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video-nvidia-450xx 2019.10.25 false PCI
video-nvidia-440xx 2019.10.25 false PCI
video-nvidia-435xx 2019.10.25 false PCI
video-nvidia-430xx 2019.10.25 false PCI
video-nvidia-418xx 2019.10.25 false PCI
video-nvidia-390xx 2019.10.25 false PCI- for gaming to forget ( you have only 10% perf compared to nvidia )
- if theses series 5.4 -5.7 do not works good
you can use 4.9 or 4.14 series