Allows the OS to communicate effectively with the motherboard's low-level firmware.

Fix: Right-click the driver setup file, go to , click the Compatibility tab, check Run this program in compatibility mode for , and select Windows 7 . Missing USB 3.0 Functionality

Modern versions of Windows (10/11) often include "bundled" drivers that enable basic functions like USB and display, though they may not cover all hardware features. Manual Intel Site

Uninstall the Windows-provided High Definition Audio driver and install the official Realtek one from Samsung or Realtek’s site. Disable automatic driver updates via Group Policy.

Input your specific desktop model number (usually found on a sticker on the back or side of the PC case, such as DM300 or DM700 series).