Dell UD2301 User Manual page 18

4. Confirm the pairing process on both wireless keyboard or mouse and your
computer.
The first Bluetooth channel LED ( ) turns solid white for a few seconds to
confirm the pairing, and then the light turns off. After your keyboard or mouse and
computer pairing is completed, the keyboard or mouse connects to the computer
automatically when the Bluetooth is enabled and both devices are within the
Bluetooth range.
NOTE: The above image indicates the first Bluetooth enabled device pairing.
Pairing your wireless keyboard and mouse │ 18