User guide

49Troubleshooting
Only a flat line/silence is recorded
Open the Windows Volume Control window:
• Windows 7: Click the Windows Start button and go to Control Panel > Hardware and
Sound > Volume Control.
• Windows XP: Click the Windows Start button and go to All Programs > Accessories >
Entertainment > Volume Control.
The Windows Mixer controls the volume levels of your sound card inputs and can also mute any
input or output device.
The Windows Mixer looks like this:
Figure 12. The Windows Mixer
When you open the Windows Mixer it may be labeled Play Control or Recording Control. We
want to see the recording controls.
To view the recording controls in Windows XP:
1. On the Options menu, click Properties to open the Properties dialog.
2. In the Adjust Volume For section, click Recording.
3. In the Show the Following Volume Controls section, click Line-in and Microphone.
4. Click OK to close the Properties dialog.
The recording controls appear in the Windows Mixer.
5. Click the Select check box under the input you wish to use (normally Line In or Mic).