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Audio problems
Problem
The audio cannot be heard on the Windows
operating system.
The sound does not come from the headset
or headphones.
The sound comes from one of the external
speakers.
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IdeaCentre AIO 5 24IMB05 Hardware Maintenance Manual
Solution
• When using powered external speakers that have an On/Off
control, ensure that:
– The On/Off control is set to the On position.
– The speaker power cable is connected to a properly grounded,
functional ac electrical outlet.
• If the external speakers have a volume control, ensure that the
volume is not set too low.
• Click the volume icon in the Windows notification area on the
taskbar. Check the speaker and volume settings. Do not mute the
speaker or set the volume at a very low level.
• If the computer has a front audio panel, ensure that the volume is
not set too low.
• Ensure that the external speakers (and headphones, if used) are
connected to the correct audio connector on the computer. Most
speaker cables are color-coded to match the audio connector.
Note: When external-speaker or headphone cables are connected
to the audio connector, the internal speaker, if present, is disabled.
In most cases, if an audio adapter is installed in one of the
expansion slots, the audio function built into the system board is
disabled. Therefore, the audio connectors on the audio adaptor
must be used.
• Ensure that the program running is designed for use in the
Microsoft Windows operating system. If the program is designed to
run in DOS, the program does not use the Windows sound feature.
The program must be configured to use SoundBlaster Pro or
SoundBlaster emulation.
• Ensure that the audio device drivers are correctly installed.
1. Exit the application that uses the sound device (for example,
Windows Media Player).
2. Right-click the volume icon in the Windows notification area on
the taskbar.
3. Click Playback devices.
4. Select the headset or headphones, and then click Set Default.
5. Click OK.
• Ensure that the speaker cable is inserted completely into the
connector on the computer.
• Ensure that the cable that connects the left speaker to the right
speaker is securely connected.
• Ensure that the balance settings are set correctly.
1. Right-click the volume icon in the Windows notification area
on the taskbar. Then, click Open Volume Mixer and select the
desired speaker.
2. Click the speaker icon on top of the volume control, and then
click the Levels tab.
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