Setup wifi Acer 4720Z

1. redarix:~ # lspci
05:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)
2. Download firmwire broadcom wireless
redarix:~ # /usr/sbin/install_bcm43xx_firmware
3. Try configure your wireless in yast.
4. Finish.