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English 13
User’s Guide
Visit www.logitech.com/comfort for more information about using your
product, and for ergonomics.
Troubleshooting Keyboard is not working
Is the Power on?• The power switch for the keyboard
must be in the ON position. Battery LED should light
green.
How are the batteries? • Check the keyboard battery
installation or replace the batteries. The keyboard uses
two AA alkaline batteries.
Check the Unifying receiver. • Plug the Unifying
receiver into a different USB port. Remove any metal
object between the Unifying receiver and the keyboard
that may interfere with reception.
Re-establish the connection.• Use the Unifying
software to reset the connection between the keyboard
and Unifying receiver. Refer to the Unifying section in this
guide for more information (p. 12).
Move closer?• Try moving the keyboard closer to
the Unifying receiver, or plug the Unifying receiver
into the receiver extender cable to bring it closer
to the keyboard.
Restart the computer.•
Battery LED
On/Off slider
switch
64#