If you're using the iMic USB sound device and during recording you receive the message, "Low sound levels have been found across all recording channels!".
Do the following to restore the audio levels:
1) Right click on the speaker icon in the lower right corner of the screen
2) Click Recording Devices
3) Double-Click on the iMic USB audio system
4) Select the LEVELS tab
5) Adjust the audio level to the appropriate level (usually 50%)
6) Click Apply/OK