The quickest way to check for Bluetooth on Windows

Open the Settings app by pressing the Windows key and typing "Settings," then select it. Go to Bluetooth & devices on the left sidebar. If you see a toggle switch for Bluetooth at the top of the page, your PC has Bluetooth hardware. If the toggle is grayed out or the option doesn't appear at all, your PC likely does not have Bluetooth built in.

On Windows 11, the Bluetooth section shows whether the feature is on or off and lists any connected devices. On Windows 10, the path is slightly different: go to Settings, then Devices, then Bluetooth & other devices. The same toggle tells you whether Bluetooth is present and active.

If you see the toggle but it's turned off, click it to turn Bluetooth on. Your PC will then scan for nearby devices. A working toggle means your hardware is there—it's just not currently active.

Key Takeaways

  • Windows Settings shows whether your PC has Bluetooth in the Bluetooth & devices section (Windows 11) or Devices section (Windows 10).
  • A grayed-out or missing Bluetooth toggle means your PC does not have Bluetooth hardware installed.
  • Device Manager can confirm Bluetooth hardware by showing "Bluetooth Radio" under the Bluetooth category.
  • If Bluetooth is missing, you can add it with a USB adapter that costs between $10 and $30.
  • Laptop manufacturers sometimes disable Bluetooth in BIOS, so checking BIOS settings can rule out a software problem.

Checking Device Manager for Bluetooth hardware

Device Manager shows every piece of hardware your PC recognizes. Right-click the Start button and select Device Manager, or press Windows key + X and choose it from the menu. Look for a category called Bluetooth. If it exists and shows "Bluetooth Radio" or a similar entry underneath, your PC has Bluetooth hardware.

If the Bluetooth category doesn't appear at all, scroll through the list and look for Network adapters. Sometimes Bluetooth is listed there instead. If you still don't see it, your PC does not have Bluetooth built in.

If Device Manager shows a Bluetooth entry but it has a yellow warning triangle or exclamation mark next to it, the hardware exists but the driver is missing or broken. Right-click the entry and select Update driver to let Windows search for the correct software. If that doesn't work, you may need to visit your PC manufacturer's support website and read the driver manually.

What to do if Bluetooth is missing

If your PC has no Bluetooth hardware, you can add it with a USB Bluetooth adapter. These are small dongles that plug into any USB port and let your PC connect to wireless devices like headphones, mice, and keyboards. They cost between $10 and $30 and work on both Windows and Mac.

When you plug in a USB adapter, Windows usually installs the driver automatically. If it doesn't, visit the adapter manufacturer's website and read the driver for your Windows version. Once installed, the adapter will appear in Settings under Bluetooth & devices, and you can pair devices the same way you would with built-in Bluetooth.

USB adapters are reliable for most people, but they do add a small dongle to your desk or laptop. If you want a permanent solution and your PC is a desktop, you can also install an internal Bluetooth card, though this requires opening your PC and is best left to someone comfortable with hardware.

Checking BIOS settings if Bluetooth is disabled

On some laptops, manufacturers disable Bluetooth in BIOS (the firmware that runs before Windows starts) to save power or reduce interference. If Device Manager shows Bluetooth hardware but Settings shows no toggle, BIOS might be the problem.

To enter BIOS, restart your PC and press a key repeatedly as it boots—usually Delete, F2, F10, or F12, depending on your manufacturer. The correct key often appears on the startup screen. Once in BIOS, look for a section called Integrated Peripherals, Onboard Devices, or Advanced. Find the Bluetooth or wireless option and make sure it is set to Enabled. Save and exit.

If you are not comfortable entering BIOS, contact your PC manufacturer's support line or visit their website for instructions specific to your model. Changing the wrong setting in BIOS can cause problems, so it is worth getting help if you are unsure.

Testing Bluetooth after you confirm it exists

Once you know your PC has Bluetooth, test it by turning the feature on and trying to pair a device. In Settings, toggle Bluetooth on and wait a few seconds. Then put your device (headphones, mouse, phone) into pairing mode—usually by holding a button for a few seconds until a light blinks.

Your PC should detect the device and show it in the Bluetooth settings. Click it and select Pair. If pairing succeeds, your device will connect and you should see it listed as "Connected" in Settings. If pairing fails, restart both your PC and the device, then try again.

If your PC has Bluetooth but devices won't pair, the problem is usually a driver issue or interference from other wireless devices. Restarting both devices fixes most pairing problems. If that doesn't work, try updating the Bluetooth driver through Device Manager as described above.

Bluetooth on Mac computers

If you are using a Mac, click the Apple menu and select System Settings (or System Preferences on older versions). Go to Bluetooth. If the option appears and shows a toggle, your Mac has Bluetooth. If Bluetooth is listed but grayed out, restart your Mac and try again.

All modern Macs have Bluetooth built in, so if it is missing from System Settings, a restart usually fixes it. If the problem persists, contact Apple Support or visit an Apple Store.

Frequently Asked Questions

Can I use Bluetooth if my PC doesn't have it built in?

Yes. A USB Bluetooth adapter costs $10 to $30 and plugs into any USB port. Windows installs the driver automatically in most cases. The adapter works just like built-in Bluetooth once installed.

Why does my PC show Bluetooth in Settings but no devices will connect?

The driver may be outdated or corrupted. Open Device Manager, right-click the Bluetooth entry, and select Update driver. If that doesn't work, restart your PC and the device you're trying to pair, then try again. Interference from other wireless devices can also cause pairing to fail.

Is Bluetooth the same as Wi-Fi?

No. Bluetooth is for short-range connections to devices like headphones and mice. Wi-Fi is for internet. A PC can have one, both, or neither. Bluetooth uses less power than Wi-Fi and works over shorter distances.

What if Device Manager shows Bluetooth but Windows Settings doesn't?

The driver may be missing or the hardware may be disabled in BIOS. Try updating the driver in Device Manager first. If that doesn't work, restart your PC and enter BIOS to check whether Bluetooth is enabled. See the BIOS section above for instructions.

Do all laptops have Bluetooth?

Most modern laptops do, but not all. Older or budget models may not have it. Check your laptop's specifications on the manufacturer's website, or use the Settings or Device Manager methods above to confirm.