Dell KM555 - Page 23

Troubleshooting
23
Problems Possible solutions
Wireless connection is lost. 1. Ensure that the Dell Secure Link USB Receiver is connected
directly to your computer.
2. Check the battery level.
•
If the wireless mouse/wireless keyboard uses rechargeable
batteries, ensure that the batteries are fully charged.
•
If the batteries are exhausted, replace them with the new
ones.
3. Turn the wireless mouse/wireless keyboard off, and then turn
it on again. Check if the low battery LED indicator is flashing
amber for ten times, indicating that the battery power is low. If
the battery is fully depleted, the low battery LED indicator will
not turn on.
4. On your computer, turn the Bluetooth off and on.
5. Restart your computer. Check if you have the latest Bluetooth
driver installed on your computer. Go to
www.dell.com/support
and update the correct Bluetooth driver. For more information,
see Download and install the Bluetooth driver.
6. Check for interference that may affect Bluetooth or Wifi
connectivity such as, nearby Wifi and USB 3.0 devices.
•
Check for any wireless devices that are in close proximity
such as wireless networking devices (Bluetooth printer
and USB 3.0 dongle), wireless pointing devices, and
microwave ovens.
•
Move away from these devices.
7. Ensure that the distance between your laptop, desktop, or
a compatible mobile device where the Dell Secure Link USB
Receiver is connected is within 1m.
8. Ensure that the USB-A port where the Dell Secure Link USB
Receiver is connected is not close to the USB-A port(s) where
other devices are connected.
9. If necessary, connect the Dell Secure Link USB Receiver to the
dongle extender and check the wireless connection again.
Keyboard key presses are lagging, auto-repeating, and erratic.
Mouse movement and button clicks are lagging and erratic.
1. Check for interference that may affect Bluetooth or RF
connectivity such as, nearby Wifi and USB 3.0 devices.
•
Check for any wireless devices that are in close proximity
such as wireless networking devices (Bluetooth printer
and USB 3.0 dongle), wireless pointing devices, and
microwave ovens.
•
Move away from these devices.
2. Ensure that the distance between your laptop, desktop, or
a compatible mobile device where the Dell Secure Link USB
Receiver is connected is within 1m.
3. Ensure that the USB-A port where the Dell Secure Link USB
Receiver is connected is not close to the USB-A port(s) where
other devices are connected.
4. If necessary, connect the Dell Secure Link USB Receiver to the
dongle extender and check the wireless connection again.