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During installation of elementary os it worked perfectly. On reboot it stopped working. I tried to do all software updates but the wifi card still doesn't work!

elementary OS 5.1.7 Hera linux 5.4.0-47-generic

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  • I found the solution myself. Apparently the problem is due to the Realtek 8822c video card driver (which is missing the rtw8822c_wow_fw.bin file needed to correctly load the rtw8822c_wow_fw.bin driver) The solution is to download the latest version of linux-firmware from: git.kernel.org/pub/scm/linux/kernel/git/firmware/… Extract and copy the contents of the rtw88 folder to /lib/firmware/rtw88 Restart the operating system. When restarting the wifi card will be fully functional!
    – TheRock
    Sep 23, 2020 at 22:13
  • Your solution worked for me! Thanks alot after hours to see what was the cause you solved the issue. Nov 6, 2020 at 19:58

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