Network Drivers For Acer Aspire E15

After Installing Ubuntu 16.04 in Acer laptop with Qualcom Atheros, it does not work. I tried, sudo rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: acer-wireless: Wireless LAN Soft blocked: no Hard blocked: no Then, checked uname -r 4.4. Download Indigo Renderer Plugin Alliance. 0-21-generic and, as suggested I tried, lspci -nnk grep -iA2 net; dmesg grep ath10k 02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15) Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:0987] Kernel driver in use: r8169 Kernel modules: r8169 03:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:0042] (rev 30) Subsystem: Foxconn International, Inc.

I have this Acer notebook that came with win 8.1 but my friend wants win 7 on it after he upgraded to win 10. Download Pinch Hitter 2 Hacked. I have put win 7 on it for him but I can.t find the ethernet driver. It is an Acer Aspire.