As written on this post I installed Ubuntu 14.04 LTS in dual boot with Windows 8.1 in December 2014.
The proprietary driver fglrx worked fine till I updated it to newer version on 12th April 2015. After the update I could not login and had to remove fglrx driver and come back to radeon.
Today I installed Kernel 3.16 (original kernel 3.13) through LTS Enablement Stack with following command:
This Laptop has Realtek Wireless Network Adapter and its driver rtl8723be was causing disconnections and required reboot to connect again. This is solved by following command:
The proprietary driver fglrx worked fine till I updated it to newer version on 12th April 2015. After the update I could not login and had to remove fglrx driver and come back to radeon.
Today I installed Kernel 3.16 (original kernel 3.13) through LTS Enablement Stack with following command:
sudo apt-get install --install-recommends linux-generic-lts-utopic xserver-xorg-lts-utopic libgl1-mesa-glx-lts-utopic libegl1-mesa-drivers-lts-utopicThe open source driver radeon is working perfectly on Kernel 3.16
This Laptop has Realtek Wireless Network Adapter and its driver rtl8723be was causing disconnections and required reboot to connect again. This is solved by following command:
echo "options rtl8723be fwlps=0" | sudo tee /etc/modprobe.d/rtl8723be.conf
Now Ubuntu 14.04 is working perfectly on this Laptop. 
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