Hi, My Hard disk is 40GB & i got a 80 GB hard disk.can i include this 80GB hdd to my computer.can i get the pocedure to install it??i inserted it in my computer slot already but wen i on the computer it shows disk boot failure...how can i retrieve it?? After tat i took the 80gb hdd but then also same command come??can anyone help??whether my hdd has gone??i cannot detect??