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been having the problem above on two computers, one fixed itself somehow after a few days (it was connected to ethernet so maybe an update fixed it???) The other had Ubuntu 20.04 installed a few days ago and again it seems to see the wifi card ok but the card cannot see my home wifi network or any others that it could see previously. I have found some very old threads mentioning this card from many years ago and didn't want to mess with anything incase it made matters worse.
Could anyone explain how I can track down this issue / fix this issue? The ethernet works ok on this. The other thing that just came to mind was when I installed Ubuntu on these two computers, during the installation it also didn't see any wifi networks and I had to install by selecting the ethernet for the downloads of updates. Computer is an HP G5370UK

WiFi card info:

Network Controller: Ralink corp. RT3090 Wireless 802.11n 1T/1R PCIe

Thanks for any help Simon

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  • Would very interesting to know, what kind of wifi card you have. Please edit your question and add the necessary data. You may use lspcito get it ...
    – kanehekili
    May 14, 2020 at 17:54
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    You should login when you want to edit your question - now we have no way of knowing if that info really was from you :-))
    – guntbert
    May 15, 2020 at 21:49

1 Answer 1

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Found the answer in this thread. Seems the kernel module for this WiFi chipset is available but not loaded in Ubuntu 20.04. Load it and set it to load on boot using these commands:

echo "options rt2800pci  nohwcrypt=1" | sudo tee /etc/modprobe.d/rt2800pci.conf
sudo modprobe -rfv rt2800pci
sudo modprobe -v rt2800pci
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