Virtual pc 2007 + win7 help

Hey guys i have installed virtual pc due to i have windows xp x64 and i cant install itunes and other drivers that i need on my computer.

so i have installed virtual pc and installed windows 7 on it.
it works fine but i dont get any sound,no internet connection and no usb detection.

can anyone please help me get this resolved thanks you.

Could you please restate your question in proper english? Thank you.