3

I used ubuntu 16.04 and 18.04 and they were able to work with wifi after following below guides:

This time with Ubuntu 20.04, none of above works.

Output of command lspci -knn | grep Net -A3; rfkill list as below:

02:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme BCM57765 Gigabit Ethernet PCIe [14e4:16b4] (rev 10)
    Subsystem: Broadcom Inc. and subsidiaries NetXtreme BCM57765 Gigabit Ethernet PCIe [14e4:16b4]
    Kernel driver in use: tg3
    Kernel modules: tg3
02:00.1 SD Host controller [0805]: Broadcom Inc. and subsidiaries BCM57765/57785 SDXC/MMC Card Reader [14e4:16bc] (rev 10)
0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

I wonder why Ubuntu does not fix this issue.

  • 1
    Please edit your question and add output of lspci -knn | grep Net -A3; rfkill list terminal command. – Pilot6 Jun 27 at 5:38
  • 1
    Your linked "guides" are completely unrelated. They are all about different hardware that is unlikely to be installed in your Mac. They seem to be random links about Wi-Fi. The first one is an unanswered question, the second about a USB dongle, etc. – Pilot6 Jun 27 at 5:39
  • @Pilot6 , thanks for response. I have updated the answer – Hadley Jun 27 at 5:47
  • I don't see any build-in PCI devices. The Wi-Fi adapter may be disabled in BIOS or broken. – Pilot6 Jun 27 at 5:51
  • Is the correct (nonfree) firmware for the Broadcom NIC installed? – moep Jun 29 at 21:59

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