How to Fix Lines on a Monitor Screen in Windows 10
Use a screenshot test, cable and port checks, monitor diagnostics, display settings, and driver rollback to pinpoint lines on a Windows 10 monitor.
Does Your PC Have Bluetooth? 4 Ways to Check in Windows
If Windows shows a Bluetooth switch in Settings, your PC has a Bluetooth adapter that Windows can currently use. If that switch is missing, do not assume the computer has no Bluetooth yet: a disabled adapter, missing driver, or hardware problem can also make Bluetooth disappear. The checks below help you tell the difference.
Check Bluetooth in Windows 11 Settings
The quickest check on a current Windows 11 PC is the Settings app. Open Start > Settings > Bluetooth & devices. If you see a Bluetooth On/Off switch near the top of the page, Windows has detected Bluetooth hardware and its driver.
Turning that switch off does not remove Bluetooth support; it only disables the radio until you turn it on again. Microsoft documents this path on its Bluetooth on/off support page.
Look in Quick Settings
You can also select the network, volume, or battery area on the taskbar to open Quick Settings. A Bluetooth tile that can be switched on or off is another strong indication that the PC has working Bluetooth support.
A missing tile is not conclusive. Microsoft notes that the Bluetooth action can be removed from Quick Settings, and Windows may also hide Bluetooth controls when it cannot detect the adapter or its driver. Use Device Manager as the next check rather than relying only on the taskbar.
Confirm the adapter in Device Manager
Device Manager is the best place to confirm the hardware Windows has detected. Right-click Start, choose Device Manager, and look for a Bluetooth category. Expand it to find the Bluetooth radio or adapter. The adapter name varies by PC and may reference Intel, Realtek, MediaTek, Qualcomm, or another vendor.
If the Bluetooth category is present, the PC has Bluetooth hardware recognized by Windows. If you see a warning icon on the adapter, the hardware may be present but the driver needs attention.
What if Bluetooth is missing everywhere?
If Bluetooth is absent from Settings, Quick Settings, and Device Manager, check the PC manufacturer's specifications for your exact model. This is especially important for desktop PCs because some motherboards include Wi-Fi and Bluetooth while others do not.
If the specifications say Bluetooth is built in, try these steps before concluding the adapter has failed:
- Install Windows updates. Bluetooth drivers can be delivered through Windows Update.
- Install the latest Bluetooth driver from the PC or motherboard manufacturer. Microsoft recommends the manufacturer's driver when Windows cannot find a newer one automatically.
- Fully shut down and power the PC back on. For a Bluetooth adapter that has disappeared, Microsoft recommends a complete shutdown rather than only a restart as one troubleshooting step.
- Check the manufacturer's firmware documentation. Some systems expose wireless-radio controls in UEFI/BIOS, but the location and wording are model-specific. Do not change unrelated firmware settings just to search for Bluetooth.
Microsoft's current guidance for missing Bluetooth controls is available in Fix Bluetooth disappeared in Windows. For driver repair, see Update Bluetooth drivers in Windows.
If your PC really does not have Bluetooth
You do not need to replace the computer. A small USB Bluetooth adapter can add Bluetooth to a desktop or laptop with an available USB port. Choose an adapter that explicitly supports your Windows version and the Bluetooth features you need, then install it using the vendor's current instructions.
What about Windows 10?
On Windows 10, the old path is Settings > Devices > Bluetooth & other devices. Device Manager works the same basic way: look for the Bluetooth category and adapter. However, Microsoft ended standard Windows 10 support on October 14, 2025. The operating system still runs, but Microsoft recommends moving to Windows 11 or using an applicable Extended Security Updates option where available. See Microsoft's Windows 10 end-of-support information for current options.
Bottom line
If you see the Bluetooth switch in Windows 11 Settings or a Bluetooth adapter in Device Manager, your PC has Bluetooth. If both are missing, verify the model specifications and install the correct manufacturer driver before deciding the hardware is absent. If the computer was never equipped with Bluetooth, a compatible USB adapter is the simplest upgrade.
How to Add Two Extra Clocks on Windows 10
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How to Fix a Slow Context Menu in Windows 10
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How to Disable Power Management for Devices in Windows 10
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How to Create a List of All Items in a Folder on Windows 10
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How to Use Bluetooth Swift Pair on Windows 10
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How to Identify Function Key Symbols on a Windows 10 Laptop
Learn what common laptop function key symbols mean, how Fn and Fn Lock affect them, and how to confirm the right shortcut for your Windows 10 laptop model.