Thanks...gave it a try.... $ sudo apt-get remove firmware-b43-installer $ sudo apt-get autoremove -y
$ sudo apt-get install -y bcmwl-kernel-source $ sudo reboot The wifi card is not recognised after rebooting...inspecting logs from dmesg gives: wl: loading out-of-tree module tains kernel wl: module license 'MIXED/Proprietary tains kernel wl: module verification failed: signature and/or required key missing - tainting kernel resource sanity check: requesting [mem 0xdfafa000-0xdfafdfff], which spans more than 0000:04:07.0 [mem 0xdfafa000-0xdfafdfff] caller wl_pci_probe+0x2c8/0xf75 [wl] mapping multiple BARs malloc in abgphy done wl driver 6.30.223.271 (r587334) failed with code 19 ERROR @wl_cfg80211_detach : NULL ndev->ieee80211ptr, unable to deref wl -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1876963 Title: Broadcom [14e4:4320] BCM4306 (rev 03) Slow Wifi on Ubuntu Server 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1876963/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
