What's Bluetooth?

Bluetooth is a wireless technology that makes short-range connections between devices (like your Mac, and a mouse or keyboard) at distances up to 10 meters (approximately 30 feet).

And with Bluetooth, your iPhone or iPad can create a 'Personal Hotspot' to provide Internet access for your Mac through your wireless service provider. Learn more about creating a Personal Hotspot with your iOS device.

Aug 13, 2019 Your Apple mouse, trackpad, or keyboard isn't working in Windows. Force Touch isn't designed to work in Windows. You don't hear audio from the built-in speakers of your Mac in Windows. The built-in microphone or camera of your Mac isn't recognized in Windows. One or more screen resolutions are unavailable for your display in Windows.

Find out if your Mac has Bluetooth

Most Mac computers come with Bluetooth technology built-in. You can check to see if your computer supports Bluetooth:

• Look for the Bluetooth icon in the menu bar. If the Bluetooth icon is present, your computer has Bluetooth.
• Choose System Preferences from the Apple menu, then click Bluetooth. If the Bluetooth preferences lists options for enabling Bluetooth and making your device discoverable, Bluetooth is installed.
• From theApplemenu, choose About this Mac, then click More Info. Select Bluetooth from the Hardware section. If the Hardware Setting section shows information, your system has Bluetooth installed.
  

About Bluetooth menu bar icons

The Bluetooth menu bar icon in the upper-right of your display gives you information about the status of Bluetooth and connected devices:

Bluetooth is on, but there are no devices connected to your Mac. If you expect a wireless device to be connected, make sure it's turned on.

Bluetooth is on and at least one wireless device is connected.

At least one wireless device has a low battery. Click the Bluetooth icon to identify the affected device, then replace its batteries.

Bluetooth is off. Click the Bluetooth icon using a wired mouse or trackpad or the built-in trackpad on your Mac notebook and select Turn Bluetooth On.
Mac computers without built-in trackpads won’t allow Bluetooth to be turned off unless a USB mouse is connected.

Bluetooth is offline and unavailable. Restart your Mac. If the Bluetooth status doesn’t change, disconnect all USB devices and restart your Mac again. If Bluetooth continues to show as unavailable, you might need to get your Mac serviced.

Pair your Mac with a Bluetooth device

Bluetooth wireless devices are associated with your computer through a process called pairing. After you pair a device, your Mac automatically connects to it anytime it's in range.

If your Mac came with a wireless keyboard, mouse, or trackpad, they were pre-paired at the factory. Turn on the devices and your Mac should automatically connect to them when your computer starts up.

If you purchased your Apple wireless devices separately, learn how to pair them with your Mac.

After you pair a Bluetooth device with your Mac, you should see it listed in Bluetooth preferences:

Remove a Bluetooth device from your Mac

If you want to remove (unpair) a Bluetooth device from your Mac's device list, follow these steps:

1. Choose Apple menu > System Preferences, then click Bluetooth.
2. Hover the pointer over the device you want to remove, then click the button that appears next to the device's name.

After you remove a Bluetooth device, you'll have to repeat the pairing process if you want to use it again.

Connect to Bluetooth devices after wake or startup

Bluetooth devices are usually available a few moments after your Mac completes its startup process. After waking from sleep, your Mac should find Apple wireless devices right away. Other wireless devices can take up to 5 seconds to be recognized. You might need to click a button on your wireless mouse to wake it up.

Some Bluetooth devices, such as audio headsets, might disconnect to conserve the device's battery power after no audio or data is present for a certain amount of time. When this happens, you might need to push a button on the device to make it active again. Check the documentation that came with your device for more information.

Wake your computer with Bluetooth devices

You can click your paired Bluetooth mouse or press a key on your paired Bluetooth keyboard to wake your Mac. You might need to press the space bar on the keyboard.

If clicking the mouse or pressing a key doesn't wake the computer, you might need to allow wireless devices to wake up your computer:

1. Choose Apple menu > System Preferences, then click Bluetooth.
2. Click Advanced.
3. Select the checkbox next to Allow Bluetooth Devices to wake this computer.
   

Connect multiple Bluetooth devices to one computer

The official Bluetooth specifications say seven is the maximum number of Bluetooth devices that can be connected to your Mac at once.

However, three to four devices is a practical limit, depending on the types of devices used. Some devices require more Bluetooth data, so they're more demanding than other devices.t perform reliably, try turning off devices you aren't using or unpair them from your Mac.

Fix interference from other household devices

Bluetooth shares the 2.4 GHz ISM band with other household devices such as cordless telephones, wireless networks, baby monitors, and microwave ovens. If you see issues with your Bluetooth devices that you suspect might be due to frequency congestion, see AirPort and Bluetooth: Potential sources of wireless interference for further information.

Press startup keys on a Bluetooth keyboard

You can press keys immediately after startup to have your Mac perform functions like selecting a startup disk, using the recovery partition, or resetting NVRAM.

Learn more at Startup key combinations for Mac.

When you install Microsoft Windows on your Mac, Boot Camp Assistant automatically opens the Boot Camp installer, which installs the latest Windows support software (drivers). If that doesn't happen, or you experience any of the following issues while using Windows on your Mac, follow the steps in this article.

• Your Apple mouse, trackpad, or keyboard isn't working in Windows.
  Force Touch isn't designed to work in Windows.
• You don't hear audio from the built-in speakers of your Mac in Windows.
• The built-in microphone or camera of your Mac isn't recognized in Windows.
• One or more screen resolutions are unavailable for your display in Windows.
• You can't adjust the brightness of your built-in display in Windows.
• You have issues with Bluetooth or Wi-Fi in Windows.
• You get an alert that Apple Software Update has stopped working.
• You get a message that your PC has a driver or service that isn't ready for this version of Windows.
• Your Mac starts up to a black or blue screen after you install Windows.

If your Mac has an AMD video card and is having graphics issues in Windows, you might need to update your AMD graphics drivers instead.

Install the latest macOS updates

Before proceeding, install the latest macOS updates, which can include updates to Boot Camp.

Format a USB flash drive

To install the latest Windows support software, you need a 16GB or larger USB flash drive formatted as MS-DOS (FAT).

1. Start your Mac from macOS.
2. Plug the USB flash drive into your Mac.
3. Open Disk Utility, which is in the Utilities folder of your Applications folder.
4. Choose View > Show All Devices from the menu bar.
5. From the sidebar in Disk Utility, select your USB flash drive. (Select the drive name, not the volume name beneath it.)
   
6. Click the Erase button or tab.
7. Choose MS-DOS (FAT) as the format and Master Boot Record as the scheme.
8. Click Erase to format the drive. When done, quit Disk Utility.

Download the Windows support software

After preparing your USB flash drive, complete these steps:

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1. Make sure that your Mac is connected to the Internet.
2. Open Boot Camp Assistant, which is in the Utilities folder of your Applications folder.
3. From the menu bar at the top of your screen, choose Action > Download Windows Support Software, then choose your USB flash drive as the save destination. When the download completes, quit Boot Camp Assistant.
   

Learn what to do if you can't download or save the Windows support software.

Install the Windows support software

After downloading the Windows support software to your flash drive, follow these steps to install the software. (If you're attempting to resolve issues with a Bluetooth mouse or keyboard, it might be easier to use a USB mouse or keyboard until these steps are complete.)

1. Make sure that the USB flash drive is plugged into your Mac.
2. Start up your Mac in Windows.
3. From File Explorer, open the USB flash drive, then open Setup or setup.exe, which is in the WindowsSupport folder or BootCamp folder. When you're asked to allow Boot Camp to make changes to your device, click Yes.
4. Click Repair to begin installation. If you get an alert that the software hasn't passed Windows Logo testing, click Continue Anyway.
5. After installation completes, click Finish, then click Yes when you're asked to restart your Mac.

Learn more

If you can't download or save the Windows support software:

• If the assistant says that the Windows support software could not be saved to the selected drive, or that the USB flash drive can't be used, make sure that your USB flash drive has a storage capacity of at least 16GB and is formatted correctly.
• If the assistant doesn't see your USB flash drive, click Go Back and make sure that the drive is connected directly to the USB port on your Mac—not to a display, hub, or keyboard. Disconnect and reconnect the drive, then click Continue.
• If the assistant says that it can't download the software because of a network problem, make sure that your Mac is connected to the Internet.
• Make sure that your Mac meets the system requirements to install Windows using Boot Camp.

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If a Mac feature still doesn't work after updating the Windows support software, search for your symptom on the Apple support website or Microsoft support website. Some features of your Mac aren't designed to work in Windows.