Hi iliya laban,
I understand how inconvenient it is when audio suddenly stops working, especially when Windows reports “No audio devices installed / No devices connected.”. Have you already tried the Q&A Assist suggestions? In addition, please try the following.
If Windows audio services are stopped or disabled, the system may report no audio devices installed.
- Press Windows + R, type
services.msc, then press Enter. - Locate the following services:
- “Windows Audio”
- “Windows Audio Endpoint Builder”
- For both services:
- Ensure “Status” is Running
- Ensure “Startup type” is set to Automatic
- If either service is not running:
- Right‑click it > “Start”
- Restart the PC afterward and test audio again
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