Intel Desktop — Board 21 B6 E1 E2 Driver Work |work|

The memory reference code (MRC) driver, which initializes the integrated memory controller, has failed. This usually happens after:

Usually includes USB 2.0, Ethernet (RJ-45), and occasionally USB 3.0 on certain variants. 🔌 How to Get Drivers Working intel desktop board 21 b6 e1 e2 driver work