Logitech MX Master 3S Manual page 51

4. Make sure all three options are checked:
Open Bluetooth Setup Assistant at startup if no keyboard is detected
●
Open Bluetooth Setup Assistant at startup if no mouse or trackpad is detected
●
Allow Bluetooth devices to wake this computer
●
NOTE: These options ensure that Bluetooth-enabled devices can wake your Mac and
that the OS X Bluetooth Setup Assistant will launch if a Bluetooth keyboard, mouse or
trackpad is not detected as connected to your Mac.
MX Master 3S FAQs 51