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Wifi Problem TL-WN821N


I installed Netrunner 19.01.
For my desktop computer i use Tp-Link 300 Mbps wireless N USB Adapter TL-WN821N.
The system detects the stick but can’t build a connection.
My Notebook with integrated Wifi works with Netrunner.So it must be a driver Problem.
Can someone tell me which package I have to install for tp-Link?
Thank You.