When Bluetooth stops working on Windows 10, the symptoms can look different from one PC to another. The Bluetooth switch may disappear, the setting may turn itself off, or Windows may see Bluetooth but refuse to find or reconnect your headphones, mouse, keyboard, phone, speaker, or controller.
This guide applies to Windows 10 computers with built-in Bluetooth and to desktops or laptops using a USB Bluetooth adapter.
Does This Affect You?
Most Windows 10 Bluetooth problems come from one of three places: the Bluetooth service is stuck, the adapter driver is outdated or corrupted, or Windows is holding onto a broken pairing record for the device. Work through the fixes below in order, because they move from the quickest software reset to driver repair and re-pairing.
Restart the Bluetooth Service and Toggle Bluetooth
Start here if Bluetooth is visible in Settings but will not turn on, will not stay on, or suddenly stopped finding nearby devices.
- Press Windows key + R.
- Type
services.mscand press Enter. - Find Bluetooth Support Service in the list.
- Right-click it and choose Restart. If it is stopped, choose Start instead.
- Open Settings > Devices > Bluetooth & other devices.
- Turn Bluetooth off, wait about five seconds, then turn it back on.
- Try connecting the Bluetooth device again.
Update or Reinstall the Bluetooth Driver
Use this method if restarting the service did not help, if the Bluetooth toggle is missing, or if Device Manager shows a warning icon next to the Bluetooth adapter.
- Right-click Start and choose Device Manager.
- Expand Bluetooth. Your adapter may be listed by a hardware name such as Intel, Realtek, Qualcomm, Broadcom, or MediaTek.
- Right-click the Bluetooth adapter and choose Update driver.
- Select Search automatically for drivers and install anything Windows finds.
- If Windows does not find a better driver, right-click the adapter again and choose Uninstall device.
- Confirm the uninstall, then restart the PC. Windows should reinstall the Bluetooth driver during startup.
- If the adapter still does not appear, go to the support page for your exact laptop, motherboard, or USB adapter model and download the Bluetooth driver from the manufacturer.
For laptops, use the computer manufacturer’s driver page when possible. Windows Update may offer a generic driver, but the model-specific package often includes the correct wireless switch, power management, and combo Wi-Fi/Bluetooth components.
Remove the Device and Pair It Again
Use this method when Bluetooth works in general, but one device will not connect, keeps disconnecting, or appears as paired even though it does not actually work.
- Open Settings > Devices > Bluetooth & other devices.
- Select the problem device.
- Click Remove device and confirm.
- Put the device back into pairing mode. Usually this means holding a pairing or power button until an indicator light flashes, but check the device’s manual if you are not sure.
- In Windows, click Add Bluetooth or other device > Bluetooth.
- Select the device when it appears and finish the pairing steps.
More Things to Rule Out
If the three main fixes do not solve it, check these common blockers before assuming the Bluetooth adapter has failed.
Airplane Mode and Wireless Switches
Open Action Center from the taskbar and make sure Airplane mode is off. Airplane mode can disable Bluetooth along with Wi-Fi. Some laptops also have a physical wireless switch or an Fn key shortcut with an antenna icon; if that switch is off, Windows may not be able to turn Bluetooth on from Settings.
Run the Bluetooth Troubleshooter
Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters, then run Bluetooth. The troubleshooter can restart services, detect disabled adapters, and fix common configuration problems automatically.
Wi-Fi and Bluetooth Combo Adapter Problems
Many laptops use one physical card for both Wi-Fi and Bluetooth. If Wi-Fi is also unstable, slow, missing, or showing driver errors, update the Wi-Fi and Bluetooth drivers together from the laptop manufacturer’s support page. Treating Bluetooth alone may miss the shared wireless driver layer that is actually failing.
Sources
- Microsoft Support: Fix Bluetooth problems in Windows
- Microsoft Support: Pair a Bluetooth device in Windows
- Microsoft Learn: Troubleshoot Bluetooth issues