install-BCM4331-driver-on-manjaro

现象

2012款MacBook Pro安装Manjaro xfce后使用无线网卡无法上网

查看网卡型号

lspci -nnk | grep -iA3 'network'
02:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4331 802.11a/b/g/n [14e4:4331] (rev 02)
	Subsystem: Apple Inc. AirPort Extreme [106b:00f5]
	Kernel driver in use: bcma-pci-bridge
	Kernel modules: bcma

安装网卡驱动

yay -S noconfirm b43-firmware

重启

sudo reboot