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Task: Among the small icons, find the speaker icon.
Answer:
Is the computer sound on mute?
If the sound is on mute, there is a red prohibition sign next to the speaker icon.
How to unmute the sound?
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3. click on the upper speaker icon to make the red prohibition sign disappear.
Is the volume down to zero?
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4. Hold down the left mouse button and move the mouse upward.
Are speakers or headphones connected to the computer?
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If your computer has no loudspeakers or headphones connected to it, sound should be coming from the system unit (the computer box). Most but not quite all computers have an internal speaker. If there is no speaker, there cannot be sound either! If you need sound, please make a service request to the helpdesk system and ask for headphones or speakers for the computer you use.
Youtube sound
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Control Youtube volume and set sound on mute as follows:
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