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The port replicator automatically selects the settings (screen resolution, color quality, and refresh rate) for the
external monitor, which will enable the best resolution based on your notebook computer settings.
In the Windows XP or Windows Vista operating system, there are two options when you are using Mirror
mode:
• Notebook Monitor Off: In this mode, the display of the notebook computer monitor will be off and the
display of the external monitor will be on.
• Off: In this mode, the display of the notebook computer monitor will be on and the display of external
monitor will be off. When this mode is enabled, though the display is off, the other functions such as
Ethernet, audio, and USB can still work.
Working with the port replicator utility
The utility enables you to switch between Extend mode and Mirror mode, set the resolution of the external
monitor in Extend mode, change the display settings, and disable the video output of the port replicator.
Note: The settings you have congured for the port replicator will be retained each time you connect the
notebook computer to the port replicator. This feature is useful when you use your notebook computer with
multiple port replicators. For example, if you use a notebook computer both at home and at work, you can
set up both work areas with port replicators. Then, you just connect your notebook computer to the port
replicator at either location, and you are ready to work.
Switching video output modes
To switch video output modes, depending on the operating system you are using, do one of the following:
For the Windows XP or Windows Vista operating system:
1. Click the Lenovo USB 2.0 Port Replicator with Digital Video icon in the taskbar notication area. The
pop-up menu opens.
2. Select Extend or Mirror.
Note: If you want to use Extend mode, decide which monitor you are to set as primary and which the
secondary. Then, select Extend To or Set as Main Monitor. You can also give each monitor its own frame
buffer through the Right, Left, Above, and Below options under the Extend To option and through drag
operations. If you want to use Mirror mode, decide which monitor is on and which is off. Then, select
Notebook Monitor Off or Off.
For the Windows 7 operating system:
1. Click the Lenovo USB 2.0 Port Replicator with Digital Video icon in the taskbar notication area.
2. Select Advanced....
3. In the Multiple displays drop-down list box, you can select Duplicate these displays to use Mirror
mode or select Extend these displays to use Extend mode.
Note: You can also select Show desktop only on 1 or Show desktop only on 2 to display your
desktop only on one target screen.
8 Lenovo USB 2.0 Port Replicator with Digital Video User Guide