hard disk drive not detected

hello good day….

i have a problem with my pc..the ide drive was not seen on the ‘main’ cmos setup,when i highlight the ide drive and enter(explore) the hard disk was stated there..i can also logon to windows..but the problem is that the keyboard does not function once im on the windows..

is there any possible solution to solve this problem aside from reformatting?

help me pls..

thanks in advance for ur response..