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My wifi connection simply stopped after some error (I don't have the error). The system was unable to find a wireless connection. Wifi is accessible from my TV and smartphone.

The command iwconfig shows: no wireless extensions.

It also doesn't show a Wireless interface, just the Ethernet interface, even without the cable.

I already have wireless-tools installed and also wpasupplicant. Also, as my Ethernet interface shows that is by Realtek, I tried to install the driver rtl-wifi-new-dkms from the ppa hanipouspilot. The additional drivers doesn't show anything to install. I don't know if my wireless chipset is from Realtek or Intel. My processor is from Intel.

Using a connection via cable, I updated and upgraded everything in the system.

lspci

lsusb

lspci -knn | grep Net -A3

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  • Ethernet and WiFi are two different and independent devices. The former being Realtek doesn't mean the latter is. Please edit your question and add output of lspci -knn | grep Net -A3 terminal command so we can know which device you have and if something can be done after the mess you already did.
    – user692175
    Jan 25, 2018 at 2:40
  • I ran the specified command, and it doesn't shows anything. I also ran the command as super, and nothing is showed
    – rcsoyer
    Jan 25, 2018 at 2:47
  • If so it's probably defective. Try removing and re/seating it. If still not detected, time for shopping at your local store or eBay.
    – user692175
    Jan 25, 2018 at 3:41
  • What I should remove and reseat?
    – rcsoyer
    Jan 25, 2018 at 3:47
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1 Answer 1

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The Ralink RT3090 is currently supported by the kernel. via the rt2800pci module that your output indicates is loaded. See the comment by Fabby.

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