On Ubuntu 14.04 it seems that the following command fix the issue:
echo "options rtl8723be fwlps=N ips=N" | sudo tee /etc/modprobe.d/rtl8723be.conf (the reboot the system)
On Ubuntu 14.04 it seems that the following command fix the issue:
echo "options rtl8723be fwlps=N ips=N" | sudo tee /etc/modprobe. d/rtl8723be. conf
(the reboot the system)