When Windows 10 displays a "Code 28" error (drivers not installed) for this device, it usually means the generic chipset drivers provided by Windows aren't sufficient. Without the manufacturer-specific driver, your system cannot communicate with these security features, which may lead to instability or the inability to use certain security tools. How to Fix the Missing Driver Issue 1. Identify Your Hardware ID
The wizard found the correct driver immediately. The yellow exclamation mark vanished, the device was recognized, and Device Manager was clean again. The system's security hardware was finally active. pci encryption decryption controller driver windows 10
Before downloading anything, you need to know exactly which manufacturer (usually Intel or AMD) built the controller. Right-click the button and select Device Manager . When Windows 10 displays a "Code 28" error
I right-clicked and selected "Update Driver," letting Windows search automatically. It failed. "Windows was unable to install your driver," it said. The device remained unknown, and I was worried the laptop’s security features weren't working. Identify Your Hardware ID The wizard found the
(recommended): Download from AMD Driver Support . Select your socket (AM4, AM5) or chipset (B450, X570, B550, etc.). Run AMD_Chipset_Software – it includes the PSP driver.
The is a specialized hardware component integrated into your motherboard's chipset. Its primary role is to handle cryptographic tasks at the hardware level, which speeds up processes like data encryption and decryption without taxing your main CPU.
After reboot, the device should move from “Other devices” to as AMD PSP 1.0/2.0/3.0 Device . The yellow mark will disappear.