I installed Ubuntu 18.04.1 LTS on my Haier Y11B laptop. But after installing my WiFi works sometimes or sometimes it don't work. Sometimes it shows all the WiFi network available around me and allows me to connect. But after sometime it lose its signal strength and don't shows any WiFi connection at all or shows very week signal which is unable to connect. Even if I keep it near the WiFi router signal strength is same. But when i uses the Windows or uses try-Ubuntu option my WiFi works 100% fine.
I tried restarting network manager by running
sudo service network-manager restart. But most of the times it also don't works.
Plz find my Wireless Cards info below
qasim@Haier-Y11B:~$ sudo lshw -class network *-network description: Wireless interface physical id: 2 bus info: usb@1:5 logical name: wlx7cc709caf90d serial: 7c:c7:09:ca:f9:0d capabilities: ethernet physical wireless configuration: broadcast=yes driver=rtl8xxxudriverversion=4.15.0-36-generic firmware=N/A link=no multicast=yes wireless=IEEE 802.11 qasim@Haier-Y11B:~$ lspci -knn | grep Net -A3; rfkill list 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no
kindly guide me how to resolve this issue.