I have a Lenovo laptop, on which I installed win10 and ubuntu 18.04. Recently, with Ubuntu system I cannot connect to the wireless network of my home, however, with win10 it can connect. With Ubuntu, it is able to detect the wifi, while after entering the password, it cannot connect successfully and consistently pop up the window requiring to key in the password.
I am not very familiar with debugging problems on Ubuntu and not sure if this problem is related to the dual system regime. I have already read some related post here but those answers or comments fail to resolve my issue. With the command:lspci -knn |grep Net -A3
I got
04:00.0 Network controller [0280]: Intel Corporation Wireless 8260 [8086:24f3] (rev 3a)
Subsystem: Intel Corporation Wireless 8260 [8086:1130]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
This picture shows the panel of the router.