Modded INF ATi Mobility Radeon HD Driver 11.2 by Bayu.
This will enable many Features originally hidden for the notebook Mobility Radeon HD 5470, HD 5730, HD 5650 and so on.
- MLAA Option
- Tesselation Option (AMD Optimized)
- Super Sample AA Option
- and more ;)

Download ATi Radeon Mobility 11.2 64bit

Then download my modded INF here

Install the official release, EXIT, then extract my modded INF replacing the old one:
C:\ATI\Support\11-2_mobility_vista_win7_64_dd_ccc\Packages\Drivers\Display\W76A_INF

Then run the installer found in
C:\ATI\Support\11-2_mobility_vista_win7_64_dd_ccc\

Driver should work for windows 7 and windows Vista.
Mobility Radeon HD 5470, HD 5650, HD 5730, HD 4550, HD 4570, and so on.