Ask a Swiss: How to connect a non-Unifying Logitech keyboard & mouse to a new dongle
How to Pair logitech Mouse/Keyboard with Other non-Unifying Receiver (for PC) | Logitech mouse, Logitech, Logitech wireless
Pairing the Logitech Performance MX (and others) to the Unifying Receiver in GNU/Linux | Fabián Rodríguez, « MagicFab »
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How to Pair logitech Mouse/Keyboard with Other non-Unifying Receiver (for PC) - YouTube