Juraj, for you personally (not someone else), was there a version of Ubuntu later than 14.04, but earlier than 16.04 where this didn't occur?
** Tags added: regression-release -- 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/1636827 Title: wireless network list disappears Status in network-manager package in Ubuntu: Incomplete Bug description: On Thinkpad W520, wireless network list disappears occasionally. Restarting the network manager service fixes the issue. Please see the following bug for more information: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1590985 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: network-manager 1.2.2-0ubuntu0.16.04.3 ProcVersionSignature: Ubuntu 4.4.0-45.66-generic 4.4.21 Uname: Linux 4.4.0-45-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: Unity Date: Wed Oct 26 13:57:59 2016 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2016-07-12 (105 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: network-manager UpgradeStatus: No upgrade log present (probably fresh install) nmcli-dev: DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH enp0s25 ethernet connected /org/freedesktop/NetworkManager/Devices/1 LARICS 3ad4f968-8fd1-4759-a3bc-746cb364628e /org/freedesktop/NetworkManager/ActiveConnection/2 wlp3s0 wifi connected /org/freedesktop/NetworkManager/Devices/0 FERwlan 3f100dda-2c1b-46d6-83af-064c33b51c5a /org/freedesktop/NetworkManager/ActiveConnection/3 lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/2 -- -- -- nmcli-nm: RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI WWAN-HW WWAN running 1.2.2 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/1636827/+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