Configuration of Wireless network adapter bmc43142 on Acer-Aspire-E5-411

 How to install proprietary Broadcom wireless card driver to connect to the Internet through Wi-Fi in Debian

Supported Broadcom wireless network cards: BCM4311-, BCM4312-, BCM4313-, BCM4321-, BCM4322-, BCM43142-, BCM43224-, BCM43225-, BCM43227-, BCM43228-, BCM4331-, BCM4360-, and BCM4352- Please support my work on https://www.patreon.com/neoncipher lspci -nn | grep Network sudo apt-get install wireless-tools sudo apt-get install network-manager-gnome sudo apt-get install wpasupplicant sudo nano /etc/apt/sources.list #Add main contrib non-free in the end of the repository

main contrib non-free sudo apt-get update sudo apt-get dist-upgrade reboot the computer sudo apt-get install linux-image-$(uname -r|sed 's,[^-]*-[^-]*-,,') linux-headers-$(uname -r|sed 's,[^-]*-[^-]*-,,') broadcom-sta-dkms sudo modprobe -r b44 b43 b43legacy ssb brcmsmac bcma sudo modprobe wl If you get frequent disconnections, it can be fixed with this command: iwconfig wlan0 power off