the mouse will not connect to desktop
the cursor is frozen on the desktop screen
Restart the computer by holding down the power button and then re-test. If that does not help please follow the procedures below:
The following will require any USB keyboard and mouse. If you don’t have them, borrow or buy them, they are inexpensive!
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- Connect the USB keyboard and mouse to the computer.
- Open System Preferences – Bluetooth
- Un-pair the wireless keyboard and mouse.
- Turn off Bluetooth
- Restart the computer in Safe Mode per the directions in https://support.apple.com/en-us/HT201262
- Restart the computer normally.
- Open System Preferences – Bluetooth
- Turn on Bluetooth
- Re-Pair the wireless keyboard and mouse.
- Unplug the USB keyboard and mouse and begin testing the wireless devices again.