How to Turn On Bluetooth on Your Windows or Mac Computer

Enable Bluetooth in Windows 10 and Windows 11

To turn on Bluetooth in Windows, open the Settings app by pressing the Windows key and typing "Settings," then select the app. Go to Bluetooth & devices on the left sidebar, then click Bluetooth to toggle it on. The switch will turn blue when Bluetooth is active.

If you don't see a Bluetooth option in Settings, your computer may not have built-in Bluetooth hardware. Check the Device Manager to confirm: right-click the Start button, select Device Manager, and look for a category called Bluetooth. If it's missing or shows a yellow warning icon, your PC either lacks Bluetooth or the driver needs updating.

To update the driver, right-click the Bluetooth entry in Device Manager and select Update driver. Choose Search automatically for updated driver software and let Windows find the latest version. Restart your computer after the update completes.

Key Takeaways

Open Settings, navigate to Bluetooth & devices, and toggle the Bluetooth switch to the on position.
If Bluetooth doesn't appear in Settings, check Device Manager to see whether your computer has Bluetooth hardware installed.
Outdated drivers prevent Bluetooth from working even when hardware is present; update them through Device Manager.
Once Bluetooth is on, your computer will search for nearby devices and display them in the Bluetooth settings panel.
On Mac, open System Settings, click Bluetooth on the left, and toggle Bluetooth on using the switch at the top right.

Enable Bluetooth on Mac

On a Mac, open System Settings (or System Preferences on older versions). Click Bluetooth in the left sidebar. At the top right of the window, you'll see a toggle switch—click it to turn Bluetooth on. The switch turns blue when Bluetooth is active, and your Mac will begin searching for nearby devices.

If Bluetooth doesn't appear in System Settings, your Mac may not have Bluetooth hardware, though this is rare on modern Apple computers. Restart your Mac and check again. If the option still doesn't appear, contact Apple Support or visit an Apple Store to have the hardware checked.

Pair a Device After Turning Bluetooth On

Once Bluetooth is enabled, your computer will show a list of nearby devices. On Windows, this list appears in the Bluetooth & devices settings panel under Available devices. On Mac, available devices show in the Bluetooth menu. Select the device you want to connect—a wireless speaker, headphones, mouse, or keyboard—and click Pair or Connect.

Some devices require you to put them into pairing mode first. Check the device's manual or look for a dedicated pairing button, usually held for three to five seconds until a light blinks. Once the device is in pairing mode, it will appear in your computer's Bluetooth list within seconds.

After pairing, the device will remember your computer and reconnect automatically when both are turned on and within range. If a device doesn't reconnect, open Bluetooth settings and select it again to manually reconnect.

Troubleshoot When Bluetooth Won't Turn On

If the Bluetooth toggle is grayed out or won't respond, restart your computer first. A restart clears temporary software issues that block Bluetooth from starting. After restarting, return to Bluetooth settings and try toggling it on again.

On Windows, check whether Bluetooth is disabled in Device Manager. Open Device Manager, find the Bluetooth entry, right-click it, and select Enable device if it shows a down arrow. Also check the BIOS or UEFI settings—some computers allow you to disable Bluetooth at the hardware level. Restart your computer, enter the BIOS (usually by pressing Delete, F2, or F10 during startup—check your computer's manual), and look for a Bluetooth or wireless setting. Make sure it's set to Enabled.

On Mac, try resetting the Bluetooth module. Hold Shift + Option and click the Bluetooth icon in the menu bar, then select Reset the Bluetooth module. Your Mac will restart Bluetooth, and you may need to re-pair your devices afterward.

Check for Hardware Switches or Airplane Mode

Some laptops have a physical Bluetooth switch or button, usually near the keyboard or on the side. Check your computer's manual to see whether yours has one, and make sure it's in the on position. A few computers also have a keyboard shortcut for Bluetooth—often Fn plus a key with a wireless symbol. Try pressing this combination if Bluetooth still won't turn on.

On Windows, check whether Airplane Mode is on. Open Settings, go to Network & Internet, and click Airplane mode. If the toggle is on, turn it off. Airplane Mode disables all wireless connections, including Bluetooth, so turning it off will restore Bluetooth functionality.

Verify Bluetooth Is Working With a Test Device

After enabling Bluetooth, test it by pairing a device you know works—a phone, tablet, or wireless headset. If the test device pairs and connects without problems, Bluetooth is working correctly. If it doesn't, the issue may be with the specific device rather than your computer's Bluetooth.

Try pairing a different device to narrow down the problem. If multiple devices fail to pair, the issue is likely with your computer's Bluetooth hardware or drivers. If only one device fails, the problem is with that device—try restarting it, clearing its pairing history, and pairing it again.

Frequently Asked Questions

Why does my Bluetooth toggle appear grayed out?

A grayed-out toggle usually means Bluetooth is disabled in Device Manager or BIOS. On Windows, open Device Manager, find Bluetooth, right-click it, and select Enable device. If that doesn't work, restart your computer and enter BIOS to check whether Bluetooth is disabled at the hardware level.

Can I turn Bluetooth on and off from the taskbar?

Yes. On Windows 11, click the network icon in the bottom right corner of the taskbar and select Bluetooth to toggle it on or off. On Windows 10, you may need to open the Quick Settings panel by clicking the network icon and looking for a Bluetooth tile. On Mac, click the Bluetooth icon in the menu bar at the top right.

Do I need to pair my device every time I turn on my computer?

No. Once a device is paired, it will reconnect automatically when both your computer and the device are turned on and within range. You only need to pair a device once unless you unpair it or reset the device to factory settings.

What if my computer has no Bluetooth hardware?

You can purchase a USB Bluetooth adapter that plugs into any USB port. These adapters are inexpensive and work with both Windows and Mac. After plugging one in, install any required drivers, and Bluetooth will function the same way as built-in hardware.

How far away can a Bluetooth device be from my computer?

Most Bluetooth devices work within 30 feet of your computer, though walls and other obstacles reduce this range. Newer Bluetooth 5.0 devices may reach farther. If a paired device keeps disconnecting, move it closer to your computer or remove obstacles between them.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.