Then you should check if Powersave is inhibiting your wifi.
sudo nano /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
Change wifi.powersave = 3 to wifi.powersave = 2
tap ctrl+x to exit, then the y key, then the enter key.
Then you should check if Powersave is inhibiting your wifi.
sudo nano /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
Change wifi.powersave = 3 to wifi.powersave = 2
tap ctrl+x to exit, then the y key, then the enter key.