Ubuntu – Ubuntu 15.04 ATI Radeon graphics Issue

15.04atidriversgraphicsradeon

I installed Ubuntu 15.04 on my Dell Inspiron with ATI Radeon HD 7730M graphics card. I was under the impression that Ubuntu will use my graphics card as default graphics device but it does not seem so.

In Details section of System setting I see the following:

Graphics: IntelĀ® Ivybridge Mobile

But in additional drivers I see this as enabled and recommended:

Using X.Org X Server - AMD/ATI display driver wrapper from xserver-xorg-video-ati(open source, tested)

Output of lshw is as follows:

dataslayer@ds-Inspiron-7520:~$sudo lshw -c video
  *-display               
       description: VGA compatible controller
       product: 3rd Gen Core processor Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:31 memory:c1000000-c13fffff memory:b0000000-bfffffff ioport:4000(size=64)

This says that driver is i915 which I suppose are Intel drivers.

I need some help in setting up my system to use ATI graphics card instead of Intel's graphics.

I have not installed fglrx yet and do not intend to do so unless absolutely necessary.

Thanks for any kind of help.

Best Answer

You need to install AMD proprietary drivers.

sudo apt-get install fglrx

Then you will be able to switch adapters in Catalyst Control Center or in terminal by:

sudo aticonfig --px-dgpu

to AMD, or

sudo aticonfig --px-igpu

to Intel.