My old hdd which has win7 installed is not detecting on new mobo&processor...so can i be able to put bootable win7 installation dvd in dvd writer & reboot with this old hdd & format only c:drive where old 7 is installed..but i dont want to format other d,e,f,h drives where my impn data is stored..is this possible??? ( all above am asking bcos i dont have portable external hdd & usb cable to backup my data on different computer..) is old hdd need to format fully to detect even when win7 bootable dvd is on de writer ??