Unifying a Logitech Keyboard/Mouse to a Logitech receiver
To unify a device to a receiver, use a windows laptop. A Chrome OS device struggles with this operation.
1. Plug your USB receiver into your computer.
2. Open up the Logitech Unifying Software. If you don't have it, download it from Logitech's website.
3. Select "Next" in the software program.
4. Locate the OFF-ON slider on your device.
5. Move the slider OFF then back ON. This should allow the receiver to pick up the device.
6. Follow the commands in the Unifying software.
Your device should now be connected to your receiver.