Laptop sound disappearing randomly
4.5
Audio works for a while, then cuts out completely until a reboot.
Symptoms
- Intermittent silence
- Audio service stops
- Speaker icon changes
Possible Causes
- Overheating audio chip
- Driver crash
- Power saving
Step-by-Step Fix
1
Disable Power Management
In Device Manager, uncheck "Allow the computer to turn off this device to save power" for audio controllers.
2
Update BIOS
Fixes motherboard-level power delivery issues.
3
Check for Overheating
Ensure the laptop isn't getting too hot, which can trip thermal protection on the audio chip.
When to See a Technician
Random sound loss is often a power management feature being too aggressive or a driver crashing under load.
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