Strange audio issues with mic and speakers(Really need helppp)

[mimi_memester]

my windows is up to date and i have a few moth old new bought laptop so no or not much hardware issues (i think ). but the problem is that my mic does hears the sound of my typing whenever i'm using it but wont listen to any voice i tried increasing the boost but none helped . and another thing is that when my laptops battery is Below 20 % and laptop is on battery the sound works fine . but when the battery is above 20% or the laptop is charging then the sound becomes quieter . i really cant solve these issue and cant find a solution can somebody plzz help and lemme know what to do

 

[rgd1101]

MERGED QUESTION
Question from mimi_memester : "I have some strange problems with my mic and speakers"

my windows is up to date and i have a few moth old new bought laptop so no or not much hardware issues (i think ). but the problem is that my mic does hears the sund of my typing whenever im using it but wont listen to any voice i tried increasing the boost but none helped . and another thing is that when my laptops battery is Below 20 % and laptop is on battery the sound works fine . but when the battery is above 20% or the laptop is charging then the sound becomes quiter . i really cant solve these issue and cant find a solution can somebody plzz help and lemme know what to do