Replace your WiFi card with a new one.
Replace your WiFi card with a new one.
You're dealing with an issue on your 2017 Alienware 17R4 where the WiFi card isn't working. You've already tried updating drivers, resetting the network settings, and clearing DNS—still no improvement. For a compatible replacement, consider checking the official Alienware support list or exploring aftermarket cards from trusted manufacturers that fit this model.