My wireless/WiFi connection does not work. What can I do?

Posted by Wild Man on Ask Ubuntu See other posts from Ask Ubuntu or by Wild Man
Published on 2014-02-23T17:36:11Z Indexed on 2014/06/11 9:42 UTC
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Your situation

  • You have successfully installed Ubuntu.
  • You have just downloaded and booted Ubuntu live media.

    The latest LTS (see also HWE) or latest non-LTS release are preferred. See the list of Ubuntu releases that are currently supported.)

  • You upgraded your Ubuntu installation to the latest release that the software updater offered you. WiFi worked before, but not now on the new release.

  • You migrated your existing Ubuntu installation to new hardware.

Your problem

  • The wireless of your laptop or dekstop is not working. You tried switching the wireless switch off and on and you tried rebooting several times, but you don't see any WiFi access points.
  • You can see your wireless access point, but you cannot establish a connection.
  • You want to analyze the problem, but you don't know where to start or what information you can provide.

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