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My wifi has always worked fine on my Ubuntu desktop PC until recently.

Now, for some reason, my desktop does not pick up my wifi at home. There are no wifi networks in the drop-down menu. There is no "enable wifi"option in the drop-down menu.

My desktop does pick up a wired connection, which I'm currently using in lieu of wifi.

I should also note that my wifi works fine on my Ubuntu laptop, so it must be a problem with the desktop.

I've done a sudo-apt get upgrade. No luck. Here's a screenshot.

enter image description here

I should also note that this problem started after I moved and got a new ISP and router, though I don't think that's the issue, since my laptop is working fine.

Any ideas how I can resolve this? Thank you!

joecitizen
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  • Any output if you hit dmesg in the terminal? Newly upgraded to later Ubuntu? Old NIC? – mattias Dec 03 '17 at 19:52
  • Have you tried the official troubleshooting guide? https://help.ubuntu.com/stable/ubuntu-help/net-wireless-troubleshooting-hardware-check.html – Prav Dec 03 '17 at 19:52
  • Start here https://askubuntu.com/questions/425155/my-wireless-wifi-connection-does-not-work-what-information-is-needed-to-diagnos – mikewhatever Dec 03 '17 at 20:08
  • @mattias yes, there's a very long output. I haven't upgraded to a later Ubuntu. What's NIC? – joecitizen Dec 03 '17 at 20:30
  • Unrelated but important: You should use the microcode. It's updated firmware for the CPU. Related: It isn't clear that you tested the same WiFi (USB??) or a different one in the laptop. If using the laptop's internal, how is it relevant? If the same USB dongle and you're sure it's recognized in the laptop and can connect to the network then yes, you have a problem with the desktop's OS or the USB port. –  Dec 03 '17 at 21:47
  • there's a very long output... Yes, of course there is and it's needed for troubleshooting. The script outputs to a txt file saved at /home/user (your username, of course). The answer also tells you where to upload it so you can later [edit] the question and include said link. What's NIC?... https://en.wikipedia.org/wiki/Network_interface_controller so, the question was what's your WiFi device? –  Dec 03 '17 at 22:13
  • I'm not sure what my wireless device is, tbh. How do I check? Should I post the dmesg output in the original question? – joecitizen Feb 03 '18 at 23:50

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