Vista Boot CD

My Compaq CQ-50 laptop will no longer boot, so I went out on the WWW and downloaded an ISO file that supposedly is a "Vista recovery disc" ... it's 123,350KB in size, and when I burn it to a CD, here's what I see in Explorer:

Question is ... is this what I should expect to see on a CD that should "bootable"? (because it doesn't seem to work!).