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Bluetooth Disappeared from Windows 11

By Iikka Isosaari · Windows 11 · Updated September 26, 2026

If the Bluetooth switch disappears completely from Windows 11, the problem is often deeper than simply reconnecting a device.

Windows may no longer be detecting the Bluetooth adapter correctly.

Restart Windows

Start with a full restart.

Do not only close the laptop lid or use Sleep.

Check Device Manager

Open Device Manager and look for:

• Bluetooth
• Network adapters
• Unknown devices
• devices with warning icons

Select:

View → Show hidden devices

If Bluetooth appears only as a hidden device, the adapter may not currently be detected.

Check the Bluetooth Service

Press:

Win + R

Enter:

services.msc

Find Bluetooth-related services such as Bluetooth Support Service.

If the service is stopped, try starting it. Manual or trigger-start operation can be normal; do not force every Bluetooth service to Automatic.

Reinstall the Driver

Download Bluetooth drivers from your PC or motherboard manufacturer.

Many Wi-Fi cards provide both Wi-Fi and Bluetooth, but Windows may require separate driver packages.

Perform a Full Power Cycle

For desktop PCs or laptops with stubborn adapter issues:

1. Shut Windows down completely.
2. Disconnect power where practical.
3. Wait briefly.
4. Power the PC back on.

Follow the manufacturer’s power-reset instructions. Do not dismantle a laptop or disconnect its internal battery just for this step.

Check BIOS or UEFI

Some systems allow wireless radios to be disabled in firmware.

If Bluetooth remains completely absent, verify that onboard wireless hardware has not been disabled.

References

• Microsoft: Bluetooth troubleshooting