The 9800 GTX supports DirectX 10 . It cannot run modern games requiring DirectX 11 or 12.
This often indicates a hardware failure (overheating) or a driver conflict. Try the DDU tool mentioned above. 9800 gtx draiver skachat
While the driver works, Windows might try to overwrite it with a basic version. Disable automatic driver updates if performance drops. The 9800 GTX supports DirectX 10
Find a (like 174.74 for retro builds) Fix black screen issues after installation Check if your power supply is strong enough for this card 9800 gtx draiver skachat