Debian 8.5 is installed on the laptop with gnome. When installing the system for some reason, the drivers for wifi were not installed (the kernel did not contain) and therefore the list of wifi networks did not appear in the top right menu. Through the usual LAN internet connection is.
typing
lspci | grep -i wlan lspci | grep -i wlan is lspci | grep -i wlan
0b:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
for this controller it ’s written here to install via apt-get install firmware-b43-installer
and here through apt-get install firmware-iwlwifi
which one to choose? Note: Dell Inspiron 6400