“I came with the solution for the Coprocessor device driver missing issue. Download latest driver of Nvidia site for your chipset... Do not install the package... unzip the file and then check into SMU folder... Install it manually through Device Manager.” Microsoft Learn · 7 years ago
For Windows 10 users, try running the Windows 7 installers in "Compatibility Mode" to bypass version-check errors. M3A78 - Support - ASUS skachat draivera asus m3a78 vm
Before installing legacy drivers on a modern OS, create a system restore point in case of a blue screen or boot failure. “I came with the solution for the Coprocessor