Is your Bluetooth device disconnected on your Mac?Here’s how to fix it

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Is my Bluetooth device (wireless keyboard, trackpad, mouse, or headphones) randomly disconnected from my Mac and off the radar? You are not alone! Many users are facing this problem, which is obviously annoying. But don’t worry! We’ve collected a lot of troubleshooting hacks to help you fix this.

Note: If you’re using an iMac or Mac Mini, it’s a good idea to have a wired mouse and keyboard handy. Just go through the trick easily.

  1. Charge the bluetooth device
  2. Turn off Bluetooth on your Mac and then turn it back on
  3. Restart your Bluetooth device and Mac
  4. Remove extra bluetooth device
  5. Delete device profile
  6. Update your mac
  7. Delete the Bluetooth.plist file
  8. Reset the Bluetooth module on your Mac
  9. Reset NVRAM and SMC

1. Charge the bluetooth device

Bluetooth devices can malfunction if they are out of power. Check the battery level of your device and charge it. When exhausted, the Bluetooth device should work properly. If not, proceed to the next step.

2. Turn off Bluetooth on your Mac and then turn it back on

The idea is to reset the Bluetooth settings in the hope that the failure will be resolved in the process.So click Bluetooth icon From the menu bar → select Turn off Bluetooth.

Turn off Bluetooth on your Mac and then turn it on

After a few seconds, repeat the steps and click Turn on Bluetooth.

If you can’t find the bluetooth icon;

  • macOS Big Sur or later: There is a handy Bluetooth icon in the control center. You can use it from here or drag it to the menu bar.You can also go to Apple Logo → System Preferences → Dock and Menu choose Bluetooth Select from the sidebar Displayed in the menu bar..

    Select Bluetooth from the sidebar in your Mac settings

  • before macOS Catalina: Move to Apple logo → System Preferences → Bluetooth Check box next to it Show Bluetooth in the menu bar..

    Show Bluetooth in the menu bar of macOS Catalina

3. Restart your Bluetooth device and Mac

This may be the oldest trick in the book, but it’s also the simplest and most reliable. The settings and cache that may be causing the problem are reset, eliminating more than half of the problem after a reboot.

Therefore, turn off your Bluetooth device and Mac. If possible, wait a minute or two and then power cycle.

Note: If you use a mouse or keyboard with a USB Bluetooth connection, disconnect the USB before restarting the device. When your Mac boots completely, reinsert it.

4. Remove the extra Bluetooth device

If you have too many devices paired with your Mac, you may experience connectivity issues. It is said that up to 7 simultaneous connections are possible, but it is wise not to exceed the limit. Remove all old or unwanted devices from the menu.

click Bluetooth icon From the menu Bluetooth settings/Open Bluetooth settings From the options.Or you can click Apple logo → System Preferences → Bluetooth.

System Preferences, then Bluetooth Mac

When the settings pane appears,[‘NS’ デバイス名の横。 次に、をクリックします デバイスを忘れる/削除する デバイスのプロファイルを削除します。


5. Delete the device profile

If nothing works, delete the profile of the Bluetooth device. This method will remove all corrupted files and the new connection should be more stable.

Repeat the above steps at point 4 to remove the device. When you’re done, restart the settings pane and connection Add the device again.

Delete the device profile and reconnect the Bluetooth device on your Mac

6. Update your Mac

Sometimes you just need to update your Mac.Move to Apple logo → About this Mac [概要]On the tab[ソフトウェアの更新。 可能な場合は、更新を開始します。 そして、あなたがそれにいる間、あなたのBluetoothデバイスのファームウェアが更新されていることを確認してください。



Plistファイル(別名プロパティファイル)には、プログラムのプロパティと構成設定が格納されています。 当然、ファイルを削除して再インストールするとファイルがリセットされ、Bluetoothデバイスが何度も切断される問題が修正される可能性があります。

  1. を開きます ファインダーメニュー をクリックします 行け メニューバーから。
  2. 選択する フォルダに移動


  3. type / Library / Preferences Click → in the address bar go..
  4. here, Remove the extension.

    Select from Mac

  5. click go Select again Move to folder..
  6. Type’~ / Library / Preferences / ByHost‘In the address bar.

    Enter the code in the address bar of your Mac

  7. Search for files with (random characters) .plist Remove the extension and it too.
  8. now, Reboot Your Mac. A new Bluetooth plist file will be automatically generated.

In particular, this method also clears the existing Bluetooth device list. Therefore, you need to reconnect them.

8. Reset the Bluetooth module on your Mac

This procedure restores the Bluetooth module to factory settings. Then delete the corrupted files and settings.

  1. Owned Shift + option Click Bluetooth icon..
    The window shows some hidden options.
  2. select Reset the bluetooth module..
    Note: If you are using macOS Catalina[デバッグ]Click to reset the Bluetooth module.

    Reset the Bluetooth module on your Mac

  3. click all right..
  4. now, Reboot Your Mac.

Similar to the method above, this clears all settings and requires each device to be reconnected.visit System Preferences → Bluetooth..

9. Reset NVRAM and SMC

Don’t underestimate this. Resetting NVRAM or SMC is a common solution as it saves many settings around the display, speakers, etc. So try to keep this as a last resort.

  • For Intel Mac: Check these detailed step-by-step guides to reset NVRAM and SMC.
  • For M1Mac: Apple has removed SMC from M1 Mac photos. Also, it cannot be reset while NVRAM is present.

I hope these hacks worked for you. However, if this is not the case, it may be a hardware issue and you should contact Apple Support. If you have any questions related to the method shared above, please share them in the comments section below.

Want to get the most out of your Bluetooth device?Check these lists: