Instructions
Load "Dragon Age: Origins" to the main menu.
Select "Options," followed by "Video."
Change the resolution to the lowest available option. The smaller the screen, the less your processor has to work to run the game.
Change the anti-aliasing option to "Off."
Change both the graphics and texture detail to "Very Low."
Uncheck "Play in Fullscreen Mode," "Vertical Sync" and "Frame-Buffer Effects." Check "Disable Multiple Render Targets," "Disable Aspect-Ratio Correction" and "Disable Intro Movies."
Click "Save" to save the settings. Restarting the game may be required.