Question: I just reinstalled Windows 7 on my Dell Inspiron 15R SE 7520 and I'm trying to get the dicrete GPU selected. But even though I got the High Performance option selected on Catalyst Control Center, I can't get Skyrim to run on the discrete GPU. How can I get it working?

EDIT:
I forgot to mention this is a hybrid GPU, it needs the on chip intel one to perform in any level... IMHO, a crappy design.

Answer: 
No guarantee to work (don't have a onboard card to test), but I'd assume the following should work:

* Go to `[my documents]\My Games\Skyrim` and open `SkyrimPrefs.ini` with your favorite text editor.
* Look for a line starting with `iAdapter=`. Actually it should state `iAdapter=0`. Change it to `iAdapter=1`.

Try launching the game again, avoid going into the launcher's settings.
Go to *Catalyst Control Center->Power->PowerPla*y and make sure it's ***enabled***. Then go to *Graphics Switching* and assign *High Performance* to the `game.exe` file. Done.

![How can I force my computer to use my AMD GPU](https://i.stack.imgur.com/aN8Qy.png)