Are you looking to on this chip, or are you troubleshooting a specific display issue ?
Official drivers are primarily available for Windows 7, 8.1, and 10. Windows 11 is not officially supported and may require generic drivers or compatibility mode. amd a6 6400k draiver skachat
The "K" suffix means it is unlocked for overclocking, allowing enthusiasts to squeeze a bit more speed out of the aging architecture. Are you looking to on this chip, or