Windows
No audio because system volume was muted and set to 0
The computer had no sound because the main volume was set to 0 and mute was enabled. The technician turned sound back on and raised the volume, and audio worked again.
Killed once by someone from XL.net, on 2026-01-05.
What you see
- No sound or audio coming from the computer
- Main volume at 0 and mute enabled
Why it happens
Likely System audio was muted and the main volume was turned all the way down
When it shows up
A Windows computer has no audio, and the volume control shows mute enabled or the master volume at 0
You are in this case if:
- Volume control shows 0
- Mute icon is enabled
- Audio test produces no sound until volume is raised and mute is cleared
1 fix below
The steps that killed it
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Someone from XL.net killed this on a Windows computer on 2026-01-05. It is written up from that one repair, so it cites no outside page.