Ubuntu WiFi Connectivity Issues

1, the first explanation, this method is only for rtl8723be this infinite network card. First Use lspci|grep-i net first Use this command to query the network card model, My Computer query results:

00:19.0 Ethernet controller:intel Corporation Ethernet Connection i218-v (Rev 04) (Wired NIC model)
04:00.0 network Controller:realtek Semiconductor Co., Ltd. rtl8723be PCIe Wireless network Adapter (unlimited NIC models)

2, then execute the following command: sudo echo "Options rtl8723be fwlps=0 swlps=0" >/etc/modprobe.d/rtl8723be.conf.

Then say the command to the meaning. This command means that in the /ETC/MODPROBE.D directory rtl8723be.conf this file

Write the options rtl8723be fwlps=0 swlps=0 this command.

(1), fwlps explanation: Fwlps is a shorthand for using linked FW control Power Save, which means that the power saving is not controlled by the FW link, the default is 1,

Indicates that to enable the FW link save power, we changed to 0.

(2), swlps explanation: This has not found the information, follow-up if you see and then fill up.

3, if not yet, and then perform sudo reboot restart, because the installation several times, found sometimes to restart, sometimes do not restart;

Last but not the reason: The reason for this is because the Linux system to kernel version 3.13.0-32-generic

(this is my Linux Kernel version, and rtl8723be this   Wireless adapter is not compatible,

Causes the wireless card to automatically enter the hibernation, therefore causes the WiFi to be able to connect, but cannot network.

Ubuntu WiFi Connectivity Issues