Microphone not connecting

[M_2___]

hello guys i want to ask that i am having a microphone when i plug it to my laptop nothing happen and when i right click on speakers icon on the right side of laptop and when i go to recording devices there is only one recording device my laptop own microphone please tell me any solution

 

[Greg Gregorich]

try to restart laptop with microphone plugged.

 

[DensHW]

Could be Port Broken

 

[M_2___]

check out my youtube video https/www.youtube.com/watch?v=tg5cuuujo70 in which i am recording with my laptop inbuilt microphone but not with the my external microphone.My voice is coming so bad in this video how can i fixx this with audacity

 

[M_2___]

try to restart laptop with microphone plugged.

i tried but nothing happen