I am currently running the Windows 7 on my computer and the problem is that when I start the computer then it is not able to detect the hard drive where the OS is installed. Actually I have two hard drive in my computer and BIOS can only detect the one which is not having the BIOS in that. This is not just for the BIOS, it is same as the Disk Managements. I cannot understand that what is the difficulty with this and how it can be resolved. If you know the solution for this then please let me know that. I will be pleased to all the replies.