User’s Guide

18 │ Troubleshooting
Troubleshooting
Problems Possible causes Possible solutions
Unable to use the
wireless mouse
The white LED indicator
at top of the wireless
mouse does not light
up when the wireless
mouse is turned on.
1. Check the battery level.
This mouse uses a
rechargeable battery, please
ensure that the battery is fully
charged.
2. Turn the wireless mouse off,
and then turn on again. Check
if the battery status light
amber pulsing for 5 sec then
dim off, flashing amber,
indicating that the battery
power is low. If the battery is
fully depleted, the battery-
status light will not turn on.
3. Ensure that the Dell Universal
Dongle is directly connected
to your computer.
Avoid using the port replicators,
USB hubs, and so on.
4. Change the USB port. Insert
the Dell Universal Dongle into
another USB port
on your
computer.