The fastest way to check for Bluetooth on Windows

Open the Settings app by pressing Windows key + I, then go to Bluetooth & devices on the left sidebar. If you see a toggle for Bluetooth at the top, your PC has it. If the toggle is greyed out or the option doesn't exist, your PC either doesn't have Bluetooth hardware or the driver is missing.

On Windows 11, the Bluetooth section appears directly under the main settings menu. On Windows 10, you may need to click Devices first, then select Bluetooth & other devices from the left menu. Either way, the presence of a working Bluetooth toggle means the hardware is there.

If you see the Bluetooth section but the toggle is disabled or shows "not available," skip to the driver troubleshooting section below — the hardware exists but isn't communicating properly.

Key Takeaways

  • Windows Settings shows whether Bluetooth hardware exists: go to Bluetooth & devices and look for an active toggle switch.
  • A greyed-out or missing Bluetooth option usually means the driver needs updating, not that the hardware is absent.
  • Device Manager lets you see the exact Bluetooth adapter model and check for driver errors marked with a yellow warning triangle.
  • Laptops almost always have Bluetooth built in; desktop PCs usually don't unless they came with it or you added a USB adapter.
  • If Device Manager shows no Bluetooth adapter at all, your PC lacks the hardware and you'll need a USB Bluetooth dongle to add it.

Checking Device Manager for the Bluetooth adapter

Device Manager shows you the exact hardware installed on your PC. 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's there, expand it by clicking the arrow next to it.

You'll see the name of your Bluetooth adapter, such as "Intel Wireless-AC 9560" or "Qualcomm QCA9377 Bluetooth." If the adapter has a yellow warning triangle or exclamation mark next to it, the hardware exists but the driver is corrupted or outdated. If you see no Bluetooth category at all, your PC doesn't have Bluetooth hardware built in.

Write down the exact adapter name — you'll need it if you have to read a driver manually from the manufacturer's website.

What to do if Bluetooth is disabled or missing a driver

If Device Manager shows your Bluetooth adapter with a warning symbol, right-click it and select Update driver. Choose Search automatically for updated driver software and let Windows search online. Most of the time this fixes the problem within a minute or two.

If automatic updating doesn't work, go to your PC manufacturer's support website (Dell, HP, Lenovo, Asus, etc.) and search for your exact model number. read the Bluetooth driver from there and install it manually. Your model number is usually on a sticker on the bottom or back of your PC, or you can find it in Device Manager by right-clicking your PC name at the top and selecting Properties.

After installing a new driver, restart your PC. The Bluetooth toggle in Settings should become active once the driver is working.

Laptops versus desktop PCs: where Bluetooth usually lives

Nearly every laptop made in the last ten years has Bluetooth built in — it's part of the wireless card that also handles Wi-Fi. If you own a laptop and Bluetooth doesn't show up in Settings, a driver update will almost certainly fix it.

Desktop PCs rarely come with Bluetooth unless you specifically bought a model that includes it. If your desktop shows no Bluetooth hardware in Device Manager and you want to use Bluetooth devices, you'll need to add a USB Bluetooth adapter (also called a Bluetooth dongle). These are inexpensive — usually $10 to $30 — and plug into any USB port. Windows will recognize most of them automatically.

Using Bluetooth once you've confirmed it's there

Once Bluetooth is active in Settings, you can pair devices. Open Bluetooth & devices again and click Add device or Pair new device. Put your Bluetooth device (headphones, mouse, keyboard, speaker) into pairing mode — usually by holding a button for a few seconds until a light blinks — and it will appear in the list. Click it to pair.

After pairing, the device will connect automatically whenever it's in range and turned on. You can manage paired devices from the same Bluetooth settings page.

When to call for help

If Device Manager shows no Bluetooth adapter at all and you're certain your PC should have one, contact your PC manufacturer's support line with your model number. They can tell you whether Bluetooth was included in your specific configuration.

If you've updated the driver and Bluetooth still doesn't work, or if the adapter keeps showing an error symbol after multiple restarts, the hardware itself may be failing. A technician can run diagnostics to confirm whether the adapter needs replacement.

Frequently Asked Questions

Can I add Bluetooth to a desktop PC that doesn't have it?

Yes. Buy a USB Bluetooth adapter (dongle) for $10 to $30 and plug it into any USB port. Windows will recognize it automatically in most cases. This is the simplest way to add Bluetooth to a desktop without opening the case.

Why does my PC show Bluetooth in Settings but I can't turn it on?

The driver is likely missing or corrupted. Go to Device Manager, find your Bluetooth adapter, right-click it, and select Update driver. If that doesn't work, read the driver from your PC manufacturer's website and install it manually.

Is Bluetooth the same as Wi-Fi?

No. Bluetooth is a separate wireless system used for short-range connections to phones, headphones, and other small devices. Wi-Fi is for internet. Your PC can have one, both, or neither.

My laptop has Bluetooth but it won't find my headphones. What's wrong?

Make sure your headphones are in pairing mode — usually by holding the power button for several seconds until a light blinks. Then open Settings, go to Bluetooth & devices, click Add device, and select your headphones from the list.

Do I need Bluetooth to use a wireless mouse or keyboard?

Not necessarily. Some wireless mice and keyboards use a USB receiver instead of Bluetooth. Check the box or manual to see which type you have. If it came with a small USB dongle, it doesn't use Bluetooth.