How to use ms-sys to restore MBR to boot /dev/sda2?

view full story

http://unix.stackexchange.com – My brother screwed up a multi-OS install on his laptop and asked me to help fix it. I'm a basic linux user and I know my way around the terminal a little but beyond that I might need some hand-holding on this one. Background / Problem From what I can understand, he had three partitions -- a small boot partition, a partition that held OSX, and a partition that holds Win7. Essentially, he wanted to kill his hackintosh setup, so he blew away all partitions except the Win7 partition. No matter what, I get "Operating System Not Found" on boot. Steps Taken Attempted the Win7 recovery CD, but (HowTos)