Crossfire problem ?

[dawnreaver01]

I rly need your help. My laptop (acer aspire 5560G) has 2 graphics cards. One is gpu 6520G and another one is 6650M. I have lastest drivers and latest catalyst mobility for that graphic cards. I cant get them work together in catalyst options i activate switchable graphics and turn on the settings witch must activate both of them to work together... aaaand that didnt work out. When i play skyrim i want to switch to my 6650M graphic card and this is what i get http://i.imgur.com/kdBcx8a.png. Dont know what to do so i need your help if you can help me. Thanks.

 

[sweetcriminal]

Is your machine plugged into the wall power wise? I know a lot of laptops disable one of the gpus when running on battery.