How to Check If Your Computer Has Bluetooth

The fastest way to check for Bluetooth

Open your system settings and look for a Bluetooth option. On Windows, search for "Bluetooth settings" in the Start menu and click the result—if Bluetooth appears as a toggle or list of devices, your computer has it. On Mac, click the Apple menu, select System Settings, then Bluetooth; if the page loads with options, you have Bluetooth. If either setting page says "No Bluetooth adapter found" or the option does not exist at all, your computer does not have Bluetooth hardware.

This check takes 30 seconds and tells you definitively whether the hardware is present. The settings page will also show you whether Bluetooth is currently turned on or off, and whether any devices are already paired.

Key Takeaways

Windows computers show Bluetooth in Settings under Devices, and the page will state clearly if no adapter is found.
Mac computers show Bluetooth in System Settings, and the absence of a Bluetooth section means the hardware is not installed.
Some laptops have a physical Bluetooth switch or keyboard shortcut (often Fn + a key with a Bluetooth symbol) that turns the radio on and off separately from the software setting.
If your computer has Bluetooth but it is turned off, you will see a toggle to turn it on; if it has no Bluetooth hardware at all, the settings page will not appear.

Checking Bluetooth on Windows

Click the Start button and type "Bluetooth settings" into the search box. The first result will be "Bluetooth and devices settings" or straightforward "Bluetooth settings." Click it to open the page.

If you see a list of devices, a toggle switch labeled "Bluetooth," or a button to add a new device, your computer has Bluetooth. If the page says "No Bluetooth adapter found" or if the search returns no results, your computer does not have Bluetooth hardware. Some older Windows machines and budget desktop computers lack Bluetooth entirely.

You can also check Device Manager. Right-click the Start button, select Device Manager, and look for a category called "Bluetooth" in the list. If it is there and expanded, you have Bluetooth. If the category does not appear at all, the hardware is not installed.

Checking Bluetooth on Mac

Click the Apple menu in the top-left corner and select System Settings (or System Preferences on older macOS versions). In the sidebar, look for "Bluetooth." Click it.

If the Bluetooth page opens and shows a list of available devices or a toggle to turn Bluetooth on, your Mac has Bluetooth. If you cannot find a Bluetooth option in the sidebar at all, your Mac does not have Bluetooth hardware. This is rare on modern Macs—nearly all laptops and desktop models sold in the last 15 years include Bluetooth.

You can also check the menu bar at the top of your screen. If a Bluetooth icon (shaped like a stylized "B") appears there, Bluetooth is installed and currently on. Click the icon to see paired devices or turn Bluetooth off.

Physical switches and keyboard shortcuts

Some laptops, especially older models, have a physical switch or a keyboard shortcut to toggle Bluetooth on and off. Look along the edges of your laptop for a small switch labeled with a Bluetooth symbol, or check your keyboard for a key with a Bluetooth icon (usually paired with the Fn key).

If your computer has Bluetooth but it does not appear in settings, try pressing Fn plus the Bluetooth key. This may turn the radio on. Once it is on, the Bluetooth settings page should appear. If toggling the physical switch or pressing the keyboard shortcut makes no difference, the hardware may be disabled in the BIOS (the firmware that runs before Windows or macOS loads), though this is uncommon.

What to do if Bluetooth is missing

If your computer has no Bluetooth hardware, you have two options. The first is to use a USB Bluetooth adapter, a small device that plugs into a USB port and adds Bluetooth to any computer. These cost between $10 and $30 and work with both Windows and Mac. Plug it in, install any drivers if Windows prompts you, and Bluetooth will appear in your settings within seconds.

The second option is to use a wired connection instead—a USB cable for phones and tablets, or a 3.5 mm audio cable for speakers and headphones. This is slower to set up each time but requires no additional hardware. If you only need Bluetooth occasionally, an adapter is worth the cost; if you rarely use it, a cable may be simpler.

Troubleshooting Bluetooth that is installed but not working

If Bluetooth appears in your settings but you cannot connect devices, or if it keeps disconnecting, restart your computer first. Power it off completely, wait 10 seconds, and turn it back on. This fixes most temporary Bluetooth problems.

If restarting does not work, try turning Bluetooth off and on again. On Windows, toggle the Bluetooth switch in Settings off, wait 5 seconds, and toggle it back on. On Mac, click the Bluetooth icon in the menu bar, select "Turn Bluetooth Off," wait 5 seconds, then click it again and select "Turn Bluetooth On." If the device you are trying to connect still does not appear, remove it from your paired devices list and pair it again from scratch.

If Bluetooth still does not work after these steps, your adapter may need a driver update on Windows. Go to Device Manager, right-click the Bluetooth adapter, select "Update driver," and choose "Search automatically for updated driver software." Windows will search online and install any available updates. On Mac, updates come through System Updates, so check the Apple menu for any pending macOS updates.

Frequently Asked Questions

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

Yes. A USB Bluetooth adapter plugs into any available USB port and works when ready on both Windows and Mac. No internal installation is needed. These adapters are inexpensive and widely available online and in electronics stores.

Why does my Bluetooth setting page say "No Bluetooth adapter found"?

Your computer does not have Bluetooth hardware installed. This is common on older desktop computers and budget laptops. A USB Bluetooth adapter is the simplest solution and costs $10 to $30.

My laptop has Bluetooth but it is not showing up in settings. What do I do?

Check for a physical Bluetooth switch on the side of your laptop or a keyboard shortcut (usually Fn plus a key with a Bluetooth symbol). If toggling these does not help, restart your computer. If Bluetooth still does not appear, a driver may be corrupted; on Windows, uninstall the Bluetooth adapter in Device Manager, restart, and let Windows reinstall it automatically.

Is Bluetooth the same as WiFi?

No. Bluetooth is a short-range wireless connection (typically 30 feet) used for phones, headphones, mice, and keyboards. WiFi is a longer-range connection used for internet access. A computer can have both, one, or neither.

How do I know if Bluetooth is turned on?

On Windows, open Bluetooth settings and look for a toggle switch—if it is blue and says "On," Bluetooth is active. On Mac, click the Bluetooth icon in the menu bar; if it shows a list of devices, Bluetooth is on. If the icon is grayed out or missing, Bluetooth is off.

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.