I have recently downloaded crysis 2 from origin, it automatically installed the 1.9 update upon installation. I then proceeded to download the dx 11 patch from the website linked in the graphics options. After a successful install with no errors i started the game but was unable to unlock the dx 11 features. I have restarted my computer many times, got the latest updates for my graphics cards but nothing changes. The option is still greyed out and unchangable and the link to download the dx 11 upgrade is gone, so i assume it installed okay (i did try to reinstall but it said it was already installed).

I have 2 HD 5770 in crossfire and they are both dx 11 compatible, turning off crossfire does not help, neither does setting the tesselation in the CCC to AMD optimised or application settings. I have a quad core 3.2 GHz CPU and windows 7 64 bit with 4 GB of DDR3 ram. I cna run the game just fine and other games like BFBC2 run fine with dx 11. Can anyone help me?

thanks
Harry