@infogirl:
Deactivate the Power-management via:
Code:
sudo iwconfig wlan0 power off
Check, if your router allows new clients (MAC-filter off!) and if the encryption is WPA2-AES, not mixed WPA/WPA2 or even WEP or non-encrypted. Additionally you can/should deactivate the hardware encryption of the driver:
Code:
echo "options ath9k nohwcrypt=1" | sudo tee /etc/modprobe.d/ath9k.conf
sudo modprobe -rfv ath9k
sudo modprobe -v ath9k
sudo service network-manager restart
Check after that:
Code:
iwconfig
sudo iwlist scan
ifconfig wlan0
dmesg | grep ath
rfkill list
@paccamura:
Please show all the outputs. You both can also copy the outputs into a text-file and upload it.
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