Fixed: Can’t Turn off Bluetooth on macOS High Sierra

Four days ago I installed High Sierra on my Mac. Now I can’t turn off Bluetooth. Many Mac users have a complaint that Bluetooth won’t turn off after installing High Sierra. Then one of the mac users said some solutions to fix this issue. Here I am going to share those solutions with you.

Solution 1: Delete “com.apple.Bluetooth.plist”

1. Go to Finder->Go->Go to Folder.
2. Enter ~/Library/Preferences in the pop-up box and then click “Go”.
3. Scroll down to find com.apple.Bluetooth.plist (the program you have problems with)
4. Drag it into Trash Folder and then turn off Bluetooth.

Solution 2: Reset Bluetooth Module

1. Press and hold the Shift + Option keys and click the Bluetooth icon simultaneously.
2. Select “Debug”.
3. Click “Reset the Bluetooth module”.
4. Then restart your Mac via Apple menu->Restart.

Solution 3: Disconnect all paired Bluetooth Devices

1. Press and hold the Shift + Option keys and click the Bluetooth icon simultaneously.
2. Select Debug->Remove all devices.
3. Click “Remove” in the pop-up box. Now your Mac will forget all paired devices & accessories.

Solution 4: Reset NVRAM/PRAM

1. Turn off (shut down) your Mac from the Apple menu.
2. Press and hold the Option + Command + P + R keys simultaneously until you hear the startup sound for the second time.

Solution 5: Safe Boot (Restart your Mac in Safe Mode)

1. Press and hold the Shift Key. You can see the Apple Logo on the Screen.
2. Keep pressing the Shift Key until the Login Window appears.
3. Enter your User Name & Password to log in. You may need to log in twice if FileVault is turned on.
4. Now turn off Bluetooth.

Solution 6: Reset SMC

If your Mac has a non-removable battery,

1. Shut down your Mac via Apple menu->Shut Down.
2. Press and hold the Shift+Control+Option+Power Button simultaneously.
3. Then release the keys at the same time.
4. Turn on your Mac.

If your Mac has a removable battery,

1. Remove the battery out of your Mac.
2. Press and hold the Power Button for 5 seconds.
3. Insert the battery into your Mac.
4. Turn on your Mac by pressing Power Button.

Solution 7: First Aid 

1. Go to Disk Utility.
2. And select the startup disk mac OS High Sierra in the sidebar.
3. Now select the First Aid option at the top.
4. Then select the Run option.
5. Once the process complete tap on the Done from the pop-up box.
6. After completing the process try to turn OFF the Bluetooth.

Conclusion :

If you know of any other solutions to fix this issue, let us know through your comments. Thanks for reading and keep supporting us.