It should be plugged into the mike input and not the line in position. Check that the mike volume control for the sound card is up. Check to see if the mike and speakers work with the recording software that comes with the sound card. Too many room noises adjust mike detection level in Parotto s set menu. Move the mike away from monitors and other electrical devices.
Some portable computers have poor sound recording hardware but good playback hardware.
Use the space bar to stop the recording after you have finished speaking. Try adjusting the microphone detection level in Parotto s set menu.