@woozle thanks it did work with me the adpter is stable now , but that dosen't effect the speed of the wifi when i change it to usb 2? + i don't know why the 5g stop working , but when i did restart...

Hello, I’m having serious issues with my Archer TX20U Plus adapter. Every time I try to connect to a Wi-Fi network, the adapter disconnects and reconnects multiple times before finally staying...