1, install the system, remember to update the system drive, do not use the system with its own drive.
The system automatic sound card drive, perhaps you listen to the song, the system brings the sound recording function these all can use, but the design to some software may not support. So download the system, or to update the driver.
2, where the microphone can be set in Win7
In the Control Panel, click on the sound, then switch to the recording item, the microphone is set to the default equipment. Sometimes your computer will have multiple microphones. This is the time to select the microphone you want to use.
3. Enhance Microphone Sound
With the two settings above, your computer's microphone should sound, and if you talk to someone, they say you're too small. You can tighten the microphone inside the microphone. Some software also has a self-enhanced microphone. Remember that stepping up the microphone can sometimes cause the computer to be noisy. It's time for you to close the microphone again.