dallasfan50320

ok im lost how all of this work ive tried all kinda ways and still can get the XEXLOader thing on the system ive burnt disk 4 different way...im using a lexar 4gb usb and wher do i or how do i change the defalut . xex or is there a simpler way ive got th iso buter to make the iso on the games but the loading is the problem...do i need a mod chip or please someone help me..