Magic Mouse 2 and external dongle

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Created Sep ’20

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I had a 2019 MacBook Pro connected to the Magic Mouse 2. I then connected an external BT dongle I needed to use for a VM but in a very brief moment, my MacBook used the dongle instead of the embedded BT chip and connected to the mouse. Since then I cannot connect to the mouse without the BT dongle. It simply doesn't discover it while scanning. I tried resetting the Bluetooth module, reseting NVRAM, updating, restarting and deleting the Bluetooth preferences plist, but to no avail. Is there any way I can factory reset the Magic Mouse 2?

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Answer 1

Claude31 OP

Sep ’20

Do you see the mouse in the Devices menu, along with keyboard…

If so, did you try to disconnect the mouse from this menu (maybe it is already disconnected ?).

May look here, notably how to How to fix Magic Mouse or Magic Mouse 2 not connecting or reset to Factory settings:
https ://mackeeper. com/blog/post/331-magic-mouse-problems-and-fixes/

How to reset Magic Mouse
This option will make your Mac forget about all Bluetooth devices that you have ever used, forcing you to reconfigure each of them. To reset Magic Mouse do the following:

Click on the Bluetooth menu in the right upper corner of the menu bar
Hold down the Shift+Option keys—then click the Bluetooth menu again. You will see the drop-down menu showing several hidden items
Click Debug—Remove all devices
Hold down the Shift+Option keys once again—open the Bluetooth menu. Choose Debugonce again—Reset the Bluetooth Module

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Answer 2

montano OP

Jan ’21

I am having the same issue. Did you every get a real solution?

Here's what happened in my case: I bought a tp-link Bluetooth 4.0 Nano USB adapter and plugged it into a USB slot in the Dell monitor into which I had my MacBook Pro 16" (2019) plugged via USB-C/Thunderbolt. The adapter took over, and now my Magic Mouse 2 won't work on my MacBook Pro unless the adapter is plugged into the monitor. EVEN THOUGH the Bluetooth module in the MacBook pro recognizes the Magic Mouse 2, it won't actually connect.

NVRAM, SMC, restart, restart in safe mode, device removal and re-addition, etc.—I tried it all. And I still don't have a mouse that will work with this computer. However, I am fairly certain the issue is with the MacBook Pro and not the Magic Mouse 2 because the Magic Mouse 2 works with two other Macs I have.

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