一: 终端输入 lspci 查看自己的无线网卡设备
04:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
二: 终端输入 apt-cache search broadcom
b43-fwcutter - utility for extracting Broadcom 43xx firmware
firmware-b43-installer - firmware installer for the b43 driver
firmware-b43legacy-installer - firmware installer for the b43legacy driver
gstreamer1.0-crystalhd - Crystal HD Video Decoder (GStreamer plugin)
libcrystalhd-dev - Crystal HD Video Decoder (development files)
libcrystalhd3 - Crystal HD Video Decoder (shared library)
bluez-firmware - Firmware for Bluetooth devices
broadcom-sta-common - Common files for the Broadcom STA Wireless driver
broadcom-sta-dkms - dkms source for the Broadcom STA Wireless driver
broadcom-sta-source - Source for the Broadcfirmware-brcm80211om STA Wireless driver
firmware-crystalfirmware-brcm80211hd - Crystal HD Video Decoder (firmware)
firmware-bnx2 - Binary firmware for Broadcom NetXtremeII
firmware-bnx2x - Binary firmware for Broadcom NetXtreme II 10Gb
firmware-brcm80211 - Binary firmware for Broadcom 802.11 wireless cards
firmware-linux-nonfree - Binary firmware for various drivers in the Linux kernel
我这里安装了firmware-brcm80211 ，broadcom-sta-dkms
三:安装
apt-get install firmware-brcm80211 broadcom-sta-dkms
