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2. Click Hardware and Sound.
3. Click Device Manager. If you are prompted for an administrator password or conrmation, type the
password or provide conrmation.
4. Double-click Sound, video and game controllers.
5. Ensure the following device is enabled and congured correctly:
– Realtek High Denition Audio
• Problem: Recordings made by using the Microphone input are not loud enough.
Solution: Ensure that Microphone Boost is turned on and set by doing the following:
1. Open Control Panel.
2. Click Hardware and Sound
3. Click Sound.
4. Click the Recording tab in the Sound window.
5. Select Microphone, and click the Properties button.
6. Click the Levels tab, and move the Microphone Boost slider upwards.
7. Click OK.
Notes:
– The names of windows or elds are slightly different depending on the operating system you use.
– For details about controlling volume, refer to your Windows online help.
• Problem: A volume or balance slider cannot be moved.
Solution: The slider might be grayed out. This means that its position is xed by the hardware and
cannot be changed.
• Problem: The volume sliders do not stay in place when some audio programs are used.
Solution: It is normal for the sliders to change position when certain sound programs are used. The
programs are aware of the Volume Mixer window and are allowed to change the settings themselves. An
example is the Windows Media Player. Usually the program has sliders available to control the sound
from within the program.
• Problem: The balance slider cannot completely mute one channel.
Solution: The control is designed to compensate for minor differences in balance and does not
completely mute either channel.
• Problem: There is no volume control for MIDI sound on the Volume Mixer window.
Solution: Use the hardware volume control.
• Problem: The sound cannot be turned off completely even if you set the Master volume control at
minimum.
Solution: You can still hear some sound even though you have set the Master volume control at minimum.
To turn off the sound completely, go to the Master volume control and select Mute speakers.
• Problem: When you connect a headphone to your computer while playing sound, a speaker does not
produce sound in the MULTI-STREAM mode at Realtek HD Audio Manager.
Solution: Once the headphone is attached, the streaming is automatically redirected to it. If you want
to listen to sound from the speakers again, be sure to set those speakers as the default device. The
procedure is as follows:
142 User Guide