Should be a duplicate of bug 1865962, which was currently only fixed in 5.4.0-18 or newer in Focal. Is it possible for you to try Focal kernel?
$ echo deb http://archive.ubuntu.com/ubuntu/ focal | \ sudo tee /etc/apt/sources.list.d/focal.list $ sudo apt update && sudo apt install linux-modules-extra-5.4.0-21-generic/focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1863769 Title: Ubuntu 18.04: Intel(R) Wireless-AC 9560 [8086:02f0] subsystem [8086:0034] Wifi adapter not detected after kernel update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1863769/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
