Removable devices not recognized and shown in my pc?

i am using windows 8.1 in 64 bit lenovo G500.
my hard disk is not recognising any CD/DVD but when i insert one the front panel LED will blink
and can hear the sound of its rotation then abruptly it stops.
i noticed that there is no removable devices list in my PC! Its not showing up…
Only 3 drives comprising of my 500GB Storage nothing more than that…

I ran a diagonastic tool, some hardware devicse are not recognised may be due to the upper and lower filters.
i tried to remove filters manually. But there is neither upper nor lower filters in the list…

i tried sfcscan through command prompt and find out that some files are corrupt but the cant remove it automatically.
then i have to check sfc details but i cand find the sfcdetails.txt file any where in the system.

kindly give me some suggestions for the same…

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