Bluetooth

Bluetooth is missing or not working

Restore a missing Bluetooth control or identify an absent radio.

Updated
September 3, 2026
Reading time
7 min read
Windows support
Windows 11 · Windows 10

Quick diagnosis

Restore a missing Bluetooth control or identify an absent radio. The key distinction is whether “Bluetooth toggle missing” occurs by itself or together with “no devices discovered.” That difference helps separate airplane mode from driver or service.

Symptoms

  • Bluetooth toggle missing
  • No devices discovered

Likely causes

  • Airplane mode
  • Driver or service
  • Combined radio failure

Quick reversible checks

  1. Disable airplane mode and restart
  2. Inspect Device Manager

Establish the scope

Confirm when bluetooth toggle missing and whether no devices discovered. Note the exact time and the last relevant change, then compare the closest known-good device, account, connection, or application using the same task.

Apply the safer fix first

Expand Bluetooth and Network adapters, including hidden devices. Enable the radio and run the Bluetooth troubleshooter if available.

  1. Record the current state related to disable airplane mode and restart.
  2. Apply the narrow change, then check whether bluetooth toggle missing.
  3. Continue only if the result still points toward driver or service.

Investigate the cause

Install the combined wireless package from the PC maker and perform a full shutdown to reset embedded radio state.

Protect the recovery path

Before work that could affect bluetooth, protect relevant files and sign-in or recovery credentials. Keep the original error wording and the results involving airplane mode, driver or service, combined radio failure for support.

Verification

  • Repeat the affected task under the same conditions used to confirm bluetooth toggle missing. Confirm the symptom is gone, not merely that a Windows status label changed.
  • Repeat the relevant connection, startup, sign-in, sleep, application, or device transition and specifically check whether no devices discovered.

When to stop

Do not continue with broader resets when the adapter stays absent or Wi-Fi and Bluetooth repeatedly vanish together. Preserve the observations already collected and use the device maker, network administrator, Microsoft support, a qualified repair technician, or data-recovery help according to the evidence.

Review the safe troubleshooting workflow before any broader recovery step.