I have my turtle beack x12 headset plugged in correctly but still it is using the built in mic. I have already changed the mic

[aaronbowell]

My laptop is using the built in mic and i have my turtle beach in correctly

 

[flamefire999]

Did you set the microphone as the default communication device? If you didn't it won't work right.

 

[Javahooch]

You may need to update your Realtek drivers, if what flamefire999 said doesn't work.