problem with ubuntu 12.04 connect to wireless
For some reason my network manager has some problems. The WIFI fan shape icon is in the task list, but it only shows the list, after a click, you will not get a popup window for further settings.
Solution: kill the nm-applet process which starts the WIFI icon, and restart it by cmd: nm-applet.Then everything works fine. And you can use Ctrl+Z -->bg to make the process run background.
And other thing, by default, ubuntu can not auto detect all the available wifi networks around you, you must add the SSID from Network Manager>Edit Connections>Add.
Solution: kill the nm-applet process which starts the WIFI icon, and restart it by cmd: nm-applet.Then everything works fine. And you can use Ctrl+Z -->bg to make the process run background.
And other thing, by default, ubuntu can not auto detect all the available wifi networks around you, you must add the SSID from Network Manager>Edit Connections>Add.
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