Acabei de instalar o Ubuntu e não há opção para habilitar wi-fi.
rfkill list all
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
uname -r
3.13.0-24-generic
lspci -vq|grep -i wireless
nada
lspci -vq|grep -i realtek
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
lspci -nn |grep -i net
08:00.0 Network controller [0280]: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter [168c:0042] (rev 30)
09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Meu laptop é o lenovo ideapad y700.