I installed Debian 9 on my acer aspire 7 (A715-72G-75XG) laptop. However the network-manager does not detect wi-fi. Those are the outputs of a few commands:
$iwlist wlan0 scan wlan0 Interface doesn't support scanning. lspci -knn | grep -i net 00:14.3 Network controller : Intel Corporation Device [8086:a370] (rev 10) 06:00.1 Ethernet controller : Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 12) Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:125e]
I have no idea what to do.