User Guide

MacBook Pro (starting mid-2012)
iMac (starting early 2013)
Additional computers may also support MX
Master.
To confirm compatibility:
Start Device Manager
If the description includes "Microsoft Bluetooth
LE Enumerator" the computer supports MX
Master.
TROUBLESHOOTING
MOUSE WON’T CONNECT?
If the channel light continues blinking slowly, see below to fix the problem.
Troubleshoot a Unifying connection
Is the computer powered on and within range—10 meters (33 feet)?
Move the mouse closer to the computer.
Is the selected channel the one on which the computer is connected?
Select the correct channel.
Is the Unifying receiver plugged into a USB port?
Make sure the receiver is firmly seated in the port.
If the channel light continues to blink slowly, start the pairing over.
Troubleshoot a Bluetooth Smart connection
Is the computer powered on and within range—10 meters (33 feet)?
Move the mouse closer to the computer.
Is the selected channel the one on which the computer is connected?
Select the correct channel.
Is the computer Bluetooth Smart Ready?