I'm using Ubuntu 14.04 LTS and my laptop WiFi stopped working after some time. It remains stopped until I reboot my system.
Command:
lspci -knn | grep Net -A2
Output:
08:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
Subsystem: Hewlett-Packard Company Device [103c:2231]
Kernel driver in use: rtl8723be
lspci -knn | grep Net -A2
terminal command. – Pilot6 Jul 11 '16 at 07:53