guys few days before I installed win8 developer preview as dual boot with my previous win7 64X,from that day i am experiencing system unstability,sometimes both the os doesn't boot at all because of this win8.so i have decided to format my win8 partition and get the boot record back in to my win7 partition.i googled this and already tried those bootrec/fixmbr etc,. but it doesn't fix anything.the problem is when i type rebuild bcd it shows installed os: 0.so how to fix this guys.please help me.
