Dell Pro Wireless KM5221W User Manual page 21

Problems
Unable to pair the keyboard/
mouse with your computer
Mouse pointer does not
move
Mouse left/right button does
not work
Keyboard buttons do not
work
Wireless connection is lost
Possible solutions
1. Check the battery level .
• If the device uses the rechargeable batteries,
ensure that the batteries are fully charged .
• If the batteries are exhausted, replace them with
a new ones .
2. Turn off the device, and then turn it on . Check if
the battery-status light is flashing amber 10 times,
indicating that the battery power is low . If the
batteries are fully depleted, the battery-status light
will not turn on .
3. Restart your computer .
4. Ensure that the USB receiver is directly connected
to your computer . Avoid using the port replicators,
USB hubs, and so on .
5. Change the USB port or insert the USB receiver
into another USB port on your computer .
6. Ensure that the distance between your computer
and keyboard/mouse is within 10 meters .
1. Check the battery level .
• If the device uses the rechargeable batteries,
ensure that the batteries are fully charged .
• If the batteries are exhausted, replace them with
a new ones .
2. Turn off the device, and then turn it on . Check if
the battery-status light is flashing amber 10 times,
indicating that the battery power is low . If the
batteries are fully depleted, the battery-status light
will not turn on .
3. Restart your computer .
4. Ensure that the distance between your computer
and keyboard/mouse is within 10 meters .
Troubleshooting │ 21