I have Successfully installed AMD OMEGA Driver by following these steps :

Note: If you previously tried to install any openGL driver "fglrx" purge , autoremove . then reboot your system.

Now follow the steps which i have done to successfully install amd omega driver .

sudo apt-get update

finish the software updater pending list . go to Settings then goto Language and Support if updates there install it . Then click "Apply Syststem wide"

Then sudo apt-get install gksu

Get the amd omega driver for linux from official amd site get amd driver here

after getting amd-catalyst-omega-14.12-linux-run-installers.zip , unzip it

let me consider that file located in Downloads

cd Downloads/ unzip amd-catalyst-omega-14.12-linux-run-installers.zip cd fglrx-14.501.1003/ sudo chmod +x amd-driver-installer-14.501.1003-x86.x86_64.run ./amd-driver-installer-14.501.1003-x86.x86_64.run

The last action shows some dependency requirement error in /usr/share/ati/fglrx-install.log

NOTE

Even after error AMD Driver Proceed to Install don't do it cancel it .

read the error and then follow the steps given there

cat /usr/share/ati/fglrx-install.log

For me the dependency error showed me to in install the following components

sudo apt-get install debhelper sudo apt-get install dh-modaliases sudo apt-get install execstack apt-get install dpkg-dev sudo apt-get install dpkg-dev sudo apt-get install dkms sudo apt-get install lib32gcc1

After installing these Dependency Packages run

./amd-driver-installer-14.501.1003-x86.x86_64.run

it will then follows next next installation , Be patient until it build packages and it install it automatically .

After installation Succesful

sudo reboot

To check whether the installation is Success or not run the following cmds in terminal

fglrxinfo

to Enable AMD Radeon DPM (Dynamic Power Management) Run the Following Cmds

gksu gedit /etc/default/grub

change GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.dpm=1"

sudo update-grub

Some Tweaks Regarding Brightness Getting Reset Fix (Optional) Read this Fix Brightness Getting Reset (To A Very Low Value Or Maximum) On Reboot In Ubuntu

For Power Management Consider installing this TLP and Laptop Mode