I have encountered the same issue, I'm sure there is nothing related to the network-manager. This package is working properly and I can connect to any wifi as I with. However i thing it's related with the wifi indicator:) Generally this issue recovers after I relaunch the Xorg.
-- 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/1589401 Title: cannot view wifi networks after re-enabling wifi Status in NetworkManager: Confirmed Status in network-manager package in Ubuntu: Confirmed Bug description: after re enabling wifi, up-down arrows just like wired network. cannot see any wifi ssid. To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager/+bug/1589401/+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