Since audio works only through a Bluetooth speaker, Windows is likely not detecting or using the built-in audio output device correctly. Try these steps in order:
- Check the selected output device
- Right-click the speaker icon on the taskbar.
- Open Sound settings.
- Under Output, make sure the built-in speakers are selected instead of only the Bluetooth speaker.
- Check for the audio device in Device Manager
- Select Start, type Device Manager, and open it.
- Expand Sound, video and game controllers.
- If the audio device appears, right-click it and select Enable device if that option is available.
- If it does not appear, select View > Show hidden devices.
- Then select Action > Scan for hardware changes.
- Install the latest audio driver
- Go to the PC manufacturer or sound card manufacturer support site.
- Download the latest audio driver for the installed Windows version.
- Install it and restart the PC.
- Restart the PC
- Select Start > Power > Restart.
- After restart, check whether the built-in speakers appear again.
- If Bluetooth audio also has issues later
- Select Start > Settings > System > Sound and confirm the Bluetooth device is selected when in use.
- If needed, remove and pair the Bluetooth device again from Settings > Bluetooth & devices.
If the speaker icon shows no output device installed, that matches a missing, outdated, disabled, or not-loading audio driver.
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