Okay, after you've installed Linux, if you want to get rid of the basic video drivers provided, you need to install fglrx.

fglrx is a video driver provided by AMD/ATI for the Radeon and FireGL graphics cards for Linux, and there are many other driver options, but this is probably the easiest and it works fine  most -if not all- of the time.

Step 1: Downloading

Which version of graphics card do you have? This can be answered by running the command
"lspci -v"

One of the lines in the output should look similar to this "01:05.0 VGA compatible controller: ATI Technologies Inc RS780M/RS780MN [Radeon HD 3200 Graphics]"
In this case, we would have the Radeon HD 3200 card.

But, that's not all.
Do you have 32-bit Linux or 64-bit Linux?

If you don't know, you're probably using the 32-bit Linux version.

Download link: support.amd.com/us/gpudownload/Pages/index.aspx

why can't open ati-driver-installer-9-11-x86.x86_64.run,whereas my file ati-driver-installer-9-11-x86.x86_64.run locate to Desktop?<br><br>cause its failed, and then i typed :<br>cd Desktop/<br>~ Desktop$ sh ./ati-driver-installer-9-11-x86.x86_64.run<br>when they created fglrx directory....suddenly directory fglrx deleted...<br>how it could be happen...i'm confused<br><br>
<p>Probably bcse you re using a 64 bits distro of linux,and this file is for i386 (32 bits distro).Somebody else should check my conclusion,but for now its the only thing i can think of...</p>
i have installed new ati catalyst 11.5 but i'm confused after typed sudo sh...........this my terminal

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More by MichaelMatirko:How To Use Linux (And love it) (Easy) ATI Graphics in Linux Using fglrx 
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