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Chapter 5. Troubleshooting
This chapter provides some troubleshooting hints and tips to assist you if you experience any problems
with the port replicator. Check the following items first to try to correct the problem.
General
1. The power and connection indicator of the port replicator is not on.
Ensure that the ac power adapter included with the port replicator is correctly connected to the port
replicator and a working electrical outlet. Do not use any adapters other than the one supplied with
the port replicator.
2. Your notebook computer does not recognize the port replicator and the power and connection
indicator stays amber.
Disconnect the USB 2.0 cable from your notebook computer, wait at least five seconds, and reinsert it
into the USB connector of your notebook computer. If the problem persists, try connecting the USB 2.0
cable to a different USB 2.0 connector of your notebook computer.
3. The display indicators
This indicates a malfunction of the port replicator. Disconnect all connections of the port replicator,
and correctly reconnect the port replicator to the wall outlet with the provided ac power adapter and
to your notebook computer with the provided USB cable.
Video output
1. The monitor display is blank.
v Verify that the notebook computer connected to the port replicator is running correctly and is not in
Standby or Hibernate mode. When the notebook computer is in Standby or Hibernate mode, the
monitor display is always blank.
v Verify that the display drivers are installed following the installation steps and the icon for the port
replicator is visible in the taskbar notification area.
v Verify that the video output function is not disabled.
v Verify the following connections:
– The USB 2.0 cable is correctly connected to your notebook computer.
– The USB 2.0 cable is correctly connected to the port replicator.
– The ac power adapter is correctly connected to the port replicator and a working electrical outlet.
– The video cable is correctly connected to the DVI-I video output connector. For the VGA port
connection, the DVI-I to VGA adapter is also secured by the screws on both sides of it.
v If the problem persists, disconnect all connections of the port replicator, uninstall the port replicator
device drivers, and then reinstall the device drivers.
2. When you are in the Extend mode and playing back video clips, only one video clip is visible.
When in the Extend mode, only one video playback application can be used at a time. If multiple
video clips are played back, only one video clip is visible to the user. This also applies to Web pages
with embedded video clips. To view these Web pages, move one page to the notebook computer
screen and the other to the external monitor.
3. You cannot play back DVD on your external monitor but can play it back on your notebook
computer display.
Some notebook computers do not support the certified output protection protocol (COPP), and you
will not be able to play back the protected DVD on the external monitor connected to the port
replicator.
© Copyright Lenovo 2009, 2010
and
are both on and the port replicator is not working correctly.
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