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If you think the PC is unresponsive, press and hold the power button for a few seconds to force a shut down, wait a few seconds, and then press the power button once to turn it on.
Note: Make all audio adjustments on the main PC first.
Click the speaker icon (outlined in red).
Drag the slider on the bar left to turn down and right to turn up the volume (outlined in green).
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The computer volume is muted if you see the speaker icon with an “x” next to it (outlined in red/green).
To unmute the computer, click the speaker icon with the “x” that is outlined in green.
Wireless keyboard
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Look for the ON switch on the side of the keyboard.
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