Logitech Wireless Combo MK620 Mode D'emploi page 17

Troubleshooting
Keyboard and mouse are not working
Check the USB connection. Also, try changing USB ports.
Move closer? Try moving the keyboard and mouse closer to the Unifying receiver.
Check battery installation. Also check the battery power of each device.
(See Battery management for more information.)
8
On the mouse bottom, slide the On/Off switch right to turn on
the mouse. The Battery LED on the mouse top case should light green
for 10 seconds. (See Battery management for more information.)
Logitech Wireless Combo MK620
8
M705
Mouse bottom
M705
On/Off switch
English 17