I am facing issue almost similar to your. I have ubuntu gnome 17.04 .I can connect to wifi but the wifi does not seem to work even though it shows connected. I dont have much knowledge of troubleshooting . What file will be needed?
Chrome Shows : DNS PROBE BAD CONFIG . -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1669643 Title: Wifi WPA2-PSK 4-Way Handshake Faliure Status in network-manager package in Ubuntu: New Bug description: After I upgraded to Ubuntu 17.04 yesterday, I started having this problem. My device will only connect to unsecured (public) WiFi networks. I tried booting into an older series kernel (4.8.0) and the issue persisted. I ran `sudo systemctl status network-manager` and got this: device (wlx501ac505fcbc): supplicant interface state: associating -> 4-way handshake sup-iface[0x55eb41e5bc20,wlx501ac505fcbc]: connection disconnected (reason 15) device (wlx501ac505fcbc): supplicant interface state: 4-way handshake -> disconnected device (wlx501ac505fcbc): Activation: (wifi) disconnected during association, asking for new key device (wlx501ac505fcbc): state change: config -> need-auth (reason 'supplicant-disconnect') [50 60 8] device (wlx501ac505fcbc): supplicant interface state: disconnected -> inactive ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: network-manager 1.4.4-1ubuntu2 ProcVersionSignature: Ubuntu 4.10.0-11.13-generic 4.10.1 Uname: Linux 4.10.0-11-generic x86_64 ApportVersion: 2.20.4-0ubuntu2 Architecture: amd64 CurrentDesktop: GNOME Date: Thu Mar 2 20:55:59 2017 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2017-01-04 (58 days ago) InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Release amd64 (20161012.1) IpRoute: default via 192.168.42.129 dev enp0s20u2 proto static metric 100 169.254.0.0/16 dev enp0s20u2 scope link metric 1000 192.168.42.0/24 dev enp0s20u2 proto kernel scope link src 192.168.42.246 metric 100 NetworkManager.conf: [main] plugins=ifupdown,keyfile [ifupdown] managed=false NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true PciNetwork: ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: network-manager UpgradeStatus: No upgrade log present (probably fresh install) nmcli-dev: DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH enp0s20u2 ethernet connected /org/freedesktop/NetworkManager/Devices/4 Wired connection 1 474aac38-e4d8-4102-b2eb-c5cc6bdb17aa /org/freedesktop/NetworkManager/ActiveConnection/1 AC:37:43:7C:B4:57 bt disconnected /org/freedesktop/NetworkManager/Devices/3 -- -- -- wlx501ac505fcbc wifi disconnected /org/freedesktop/NetworkManager/Devices/2 -- -- -- lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- -- nmcli-nm: RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI WWAN-HW WWAN running 1.4.4 connected started full enabled enabled enabled enabled enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1669643/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
