Lenovo ThinkPad OneLink Dock, User Manual

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Chapter 4. Working with the dock
This chapter provides information about the video output function of the dock and instructions on how to
configure the dock to your needs.
Understanding the video output modes
The dock works in the following three video output modes:
• Extend mode
When the dock is in extend mode, it splits your display across two monitors. Your notebook computer
monitor becomes the primary display and the external monitor becomes the secondary display. By
default, the external monitor display is on the right side of the notebook computer monitor display.
In extend mode, you can drag and drop windows from one display to the other. Also, you can increase
your productivity by doing the following:
– Reading e-mails on one display and opening the attachments on the other
– Expanding a spreadsheet across two displays
– Increasing your work area by putting all the palette and toolbars on the other display when you are
doing graphics editing
– Keeping the desktop on one display and watching videos on the other
• Mirror mode
When the dock is in mirror mode, it clones your notebook computer screen to the external monitor. The
dock 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.
• Single-display mode
When the dock is in single-display mode, it enables you to show your desktop on only one screen.
Entering a video output mode
This section provides instructions on how to enter your desired video output mode.
Entering extend mode
To enter extend mode, do the following:
For the Windows 7 operating system:
1. Click Start ➙ Control Panel or Start ➙ Settings ➙ Control Panel .
2. Depending on your Control Panel mode, do one of the following:
• Click Display ➙ Change display settings .
• Click Appearance and Personalization ➙ Display ➙ Change display settings .
3. In the Multiple displays drop-down list box, select Extend these displays .
4. Follow the instructions on the screen to complete the setting.
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