HP ProOne 600 Hardware Reference Manual page 28

5. Press the Connect button on the receiver for approximately five seconds. The status light on the receiver
will flash for approximately 30 seconds after the Connect button is pressed.
6. While the status light on the receiver is flashing, press the Connect button on the underside of the
mouse for five to ten seconds. After the Connect button is released, the status light on the receiver will
stop flashing, indicating that the devices have been synchronized.
NOTE: If the mouse and keyboard still do not work, remove and replace the batteries. If the mouse and
keyboard are still not synchronized, synchronize the keyboard and mouse again.
20 Chapter 2 Setup