From this page you can verify that your audio works and the speakers are properly connected.

This test can be used to know that your sound is stereo "that is, the sound comes out of two different channels, first from the right amplifier and the second from the left amplifier."


Press the right arrow to test the sound coming out of the right amplifier, and pressing the left arrow will exit the sound from the left amplifier.

Sound Test

How to adjust sound volume in Windows

Step-by-step instructions for changing the volume of your microphone (loudness of your recorded speech) and your speakers (all sound).

Select the Windows version that you have on your PC (below) and then follow the instructions for that version.

Windows XP

  1. Click  >Control Panel >Sound and Audio Devices
  2. To adjust the speaker volume (loudness of all sounds) :
    1. Make sure you’re in the Volume tab.
    2. Adjust the horizontal slider below Device volume.
  3. To adjust the microphone volume (how loud your recorded voice is) :
    1.  Click the Audio tab
    2. Below Sound recording click the Volume… button.
    3. Make the microphone volume even louder by turning on Mic Boost:
      1. Click the Advanced button in the lower right corner of the Recording Control window. 
        If that button isn’t visible select, from the menu at the top of the window: Options>Advanced Controls (so that it’s checked).
      2. Click the Mic Boost checkbox to make Mic more sensitive (louder)


Windows Vista, 7, 8 and Windows 10

  1. Click the Start button  , and type MMSYS.CPL in the Start Search box, and then press the ENTER key.
  2. The Sound dialog box is displayed
  3. To adjust loudness of all sound from your speakers, select the Playback tab.
    1. Click the Properties button. The Speakers Properties dialog is displayed.
    2. Select the Levels tab.
  4. To adjust the volume of your microphone (recording your speech), select the Recording tab.
    1. Click Microphone, and then click Properties.

      Note Make sure that Working appears under Microphone. If Working does not appear, click Microphone, and then click Set Default.

    2. In the Microphone Properties dialog box, click the Custom tab.
    3. Select or clear the Microphone Boost check box. Selecting it makes the microphone more sensitive (louder).
    4. Click the Levels tab.
    5. Adjust the volume slider to the level that you want, and then click OK.
  5. Click OK to close the Sound dialog box.


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