Need help for Xenoblade Chronicles

[yl-smash]

Your cpu is slow for Dolphin. You can't just "switch" processors. You have to make sure your motherboard supports the processor (it wont if you have an a6 in it now) and then if you switch motherboards you have to see if it supports your RAM (are you using DDR2 or DDR3, you need DDR3), and see if the motherboard fits your case (ATX, micro-ATX, micro-ITX).