In Ubuntu 16.04 LTS after failed updates I cannot connect to wifi anymore and the icon of network manager doesn't appear anymore. I'm able to connect to LAN only with sudo dhclient eth0
. Any idea what the problem is?
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By "failed updates" you mean a (failed) upgrade to e.g. 17.04 or a "normal" security update within 16.04? Maybe some packages are not properly installed during the updates.You could try a command like "sudo apt-get -f install" or/and "sudo dpkg --configure -a".– tardisJul 24, 2017 at 11:53
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I'm not sure if it was an upgrade or just an update. It was the routine suggestion of the system.– Drimades BoyJul 24, 2017 at 13:29
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I tried both suggested commands, but nothing changed.– Drimades BoyJul 24, 2017 at 13:32
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You may need to disable Secure Boot.– user692175Jul 25, 2017 at 8:19
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