Bluetooth can be a useful technology for short-range connections, sometimes known as personal area networks (PANs). We use Bluetooth for fitness bands, earbuds and headphones, hotspot tethering, and input peripherals.
But sometimes your Mac seems to get the wrong idea about one or more devices. Even after unpairing and re-pairing, you can’t make a connection. Or, worse, macOS won’t let you remove a paired device from the Bluetooth preference pane.
Apple hides Bluetooth reset options in the Bluetooth menu:
In macOS through 11 Big Sur, hold down Shift and Option and click the Bluetooth menu in the menu bar. (If that menu doesn’t appear, open the Bluetooth preference pane and check “Show Bluetooth in menu bar.”)
In Big Sur, you can instead click to open the Control Center and then hold down Shift and Option as you click the right-pointing arrow in the Bluetooth lozenge.
Starting in macOS 12 Monterey, however, a more complicated command-line process is required, described below.
You have three reset options. If you have an intractable problem, I suggest starting with “Reset the Bluetooth module” and then restart your Mac. This should clear up most problems with no further intervention.
If you still have devices you can’t remove or pair properly, try “Remove all devices.” You then have to re-pair any Bluetooth hardware you use with your Mac.
The third of those reset options, “Factory reset all connected Apple devices” lets you nuke the settings on Apple keyboards, earbuds, headphones, trackpads, and mice all at once and restore them to their factory state.
Reset Bluetooth in macOS Monterey
Apple removed the shortcut to access a reset option in Monterey for reasons best known only to the company. The solution isn’t much harder, however:
In the Finder, choose Go > Go To Folder.
Paste into the field /Library/Preferences/com.apple.Bluetooth.plist and press Return.
That file will be highlighted in a Finder window. Drag it to the Trash.
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