I have been experiencing the same problem as you. When I boot from Live CD of ubuntu 11.10, there is a black screen.
ASUS K53T notebook with two graphics cards: AMD Radeon HD 6750M AMD Radeon(TM) 6520
I have been experiencing the same problem as you.
When I boot from Live CD of ubuntu 11.10, there is a black screen.
ASUS K53T notebook
with two graphics cards:
AMD Radeon HD 6750M
AMD Radeon(TM) 6520