Windows cannot detect my Microphone

Hi There!
My microphone has not been detected.
I cannot find my microphone/headphone in my windows.
Please help me.
I want to fix this problem.
When I plug in any microphone or headphone so it cannot be detected.

But why?
I check my all USB connection. All cables are connected properly.
So why this problem became disturb to me?
Please solve this problem with helpful answers.
