The fastest way to check for Bluetooth on Windows

Open the Settings app by pressing Windows key + I. Go to Bluetooth & devices in the left menu, then select Bluetooth. If you see a toggle switch that says "On" or "Off", your PC has Bluetooth. If the page shows "Bluetooth is not available on this device" or the Bluetooth option does not appear in the menu at all, your PC does not have it.

On older Windows 10 machines, the path is slightly different: go to Settings > Devices > Bluetooth & other devices. The result is the same — either you see the toggle or you do not.

If you see the toggle but it is greyed out, your Bluetooth hardware exists but the driver is missing or disabled. This is fixable and is covered in the section below.

Key Takeaways

  • The Settings app is the most direct way to check: Windows key + I, then look for Bluetooth & devices or Bluetooth & other devices depending on your Windows version.
  • A working Bluetooth toggle means your PC has the hardware; a greyed-out toggle means the hardware exists but the driver needs repair.
  • Device Manager shows the actual Bluetooth adapter name and whether Windows recognizes it, which helps you decide if a driver update will fix a greyed-out toggle.
  • If Bluetooth does not appear in Settings and Device Manager shows no adapter, your PC does not have Bluetooth hardware built in.

Checking Device Manager for the Bluetooth adapter

Device Manager shows you the actual hardware Windows has detected. 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 in the list. If it exists and has a device listed under it (usually something like "Intel Wireless Adapter" or "Qualcomm Atheros Bluetooth"), your PC has Bluetooth hardware. If the category does not exist at all, your PC does not have Bluetooth.

If you see a yellow exclamation mark or a down arrow next to the Bluetooth device name, the driver is installed but not working. Right-click the device and select Update driver to search for a newer version. If that does not work, right-click again and select Uninstall device, then restart your PC — Windows will often reinstall the driver automatically on reboot.

What to do if Bluetooth is disabled in BIOS

Some PCs have Bluetooth disabled at the BIOS level, which means Windows cannot see it even if the hardware is there. This is rare on consumer laptops but common on business machines.

Restart your PC and enter BIOS setup. The key varies by manufacturer — common ones are Delete, F2, F10, or F12, usually shown on the boot screen. Once in BIOS, look for a menu called Integrated Peripherals, Onboard Devices, or Advanced. Find an option for Bluetooth, Wireless, or the specific adapter name (like "Intel Wireless"). Set it to Enabled and save your changes.

If you are not comfortable entering BIOS, contact your PC manufacturer's support line with your model number. They can tell you whether Bluetooth is disabled at the BIOS level and walk you through enabling it.

Checking the physical ports and stickers

Some older PCs have a Bluetooth symbol printed on the case or keyboard. Look for a small icon that looks like a stylized "B" made of dots, usually near USB ports or on the back panel. This is not a may provide — the sticker might be left over from a previous model — but it is a quick visual clue.

Modern PCs rarely have external Bluetooth hardware. If your PC is from the last five years, Bluetooth is either built into the motherboard or it is not there at all. External USB Bluetooth adapters exist and cost between $10 and $30, but they are usually only needed on older desktops.

Understanding what Bluetooth version means

If your PC has Bluetooth, you may want to know which version. Right-click the Bluetooth device in Device Manager and select Properties. Go to the Details tab and look for a field called Bluetooth Version or check the driver version number.

Bluetooth 5.0 and newer are standard on PCs made after 2018. Older versions like 4.0 or 4.2 still work with most devices but have shorter range and slower data transfer. The version matters most if you plan to use Bluetooth headphones, mice, or keyboards regularly — newer versions are more stable and use less power.

You can also check the manufacturer's website for your PC model. Search for your model number plus "specifications" and look for the Bluetooth version listed in the wireless section.

When to buy an external Bluetooth adapter

If your PC does not have Bluetooth built in and you need it, a USB Bluetooth adapter is the practical solution. These plug into any USB port and add Bluetooth to your PC. They work on Windows, and most are plug-and-play — Windows installs the driver automatically.

Look for adapters that support Bluetooth 5.0 or later. Avoid very cheap options under $5, as they often have poor range and unstable connections. Mid-range adapters in the $15 to $25 range from brands like TP-Link, Plugable, or ASUS are reliable and widely available.

Before you buy, make sure you have a free USB port. If your PC has only USB-C ports, you will need a USB-C Bluetooth adapter or a USB-A to USB-C adapter as well.

Frequently Asked Questions

Why does my PC show Bluetooth in Settings but I cannot connect to anything?

The hardware is present but the driver may be outdated or corrupted. Go to Device Manager, right-click the Bluetooth device, and select Update driver. If that does not work, uninstall it and restart your PC. You can also visit your PC manufacturer's support page and read the latest Bluetooth driver for your model.

Can I add Bluetooth to a desktop PC that does not have it?

Yes. A USB Bluetooth adapter costs $15 to $30 and works when ready on most PCs. Plug it into any USB port and Windows will install the driver automatically. This is the only practical way to add Bluetooth to a desktop without opening the case.

What if Device Manager shows no Bluetooth category at all?

Your PC does not have Bluetooth hardware. Check your PC's original specifications on the manufacturer's website to confirm. If you need Bluetooth, buy a USB adapter. If you think Bluetooth should be there, contact the manufacturer — it is possible the hardware is disabled in BIOS, though this is uncommon on consumer PCs.

Does Bluetooth version matter for everyday use?

Bluetooth 4.0 and newer work fine for mice, keyboards, and headphones. Newer versions like 5.0 have better range and use less power, but the difference is not dramatic for most people. If your PC is older than 2015 and you plan to use Bluetooth devices regularly, a newer adapter may improve stability.