sudo su <Passwort> apt-get update apt-get upgrade
apt-get install ndiswrapper-utils-1.9 ndiswrapper-common ndisgtk dkms ndiswrapper-dkms gksu cabextract
cd ~ mkdir AVM && cd AVM wget http://download.avm.de/cardware/fritzwlanusb.stick/windows.7/deutsch/avm_fritz\!wlan_usb_stick_build_100906.exe cabextract avm_fritz\!wlan_usb_stick_build_100906.exe
gksu ndisgtk -> Install New Driver -> Select Inf File: -> für 32bit --> .../AVM/fwlan.inf -> für 64bit --> .../AVM/fwlan4.inf -> Install -> Close/Schließen modprobe ndiswrapper --> WLAN einrichten ;-)
ndiswrapper -ma