Verify the motherboard model number (DZ77SL-50KZ) and ensure you have the correct drivers.
If a new driver caused issues, go to Device Manager, right-click the device, select Properties > Driver tab > Roll Back Driver . intel desktop board 21 b6 e1 e2 driver work
Includes PCI Express 2.0 x16 slots for dedicated graphics cards. How to Get Drivers Working Verify the motherboard model number (DZ77SL-50KZ) and ensure
Understanding the Intel Desktop Board "21-B6-E1-E2" Markings and Making Drivers Work go to Device Manager
Type wmic baseboard get product, manufacturer to quickly see the model name.
paired with these systems, integrated graphics require legacy architecture support.