Connecting An External Display; Choosing A Display Mode; Changing Display Settings; Using The Nvidia Optimus Graphics Feature - Lenovo ThinkPad L440 User Manual

For more information about the external display, refer to the manuals provided with it.

Connecting an external display

You can connect an external display to the VGA or mini DisplayPort connector by a cable.
Note: When you connect an external monitor, a video interface cable with a ferrite core is required.
1. Connect the external display to an appropriate video connector on your computer, such as the VGA
connector or mini DisplayPort connector.
2. Connect the external display to an electrical outlet.
3. Turn on the external display.

Choosing a display mode

You can display your desktop and apps on the computer display, the external display, or both. To choose
how to display the video output, press the display-mode switching key
mode you prefer.
There are four display modes:
• Disconnect: Displays the video output only on your computer screen.
Note: Depending on the situation, you might see Disconnect, PC screen only, Computer only, or
Disconnect projector.
• Duplicate: Displays the same video output on both your computer screen and an external display.
• Extend: Extends the video output from your computer display to an external display. You can drag and
move items between the two displays.
• Projector only: Shows the video output only on an external display.
Note: Depending on the situation, you might see Projector only or Second screen only.
Note: If you show DOS or programs using DirectDraw or Direct3D
display shows the video output.

Changing display settings

You can change the settings for both the computer display and the external display. For example, you
can define which one is the main display and which one is the secondary display. You also can change
the resolution and orientation.
To change display settings, do the following:
1. Right-click on the desktop and select Screen Resolution or Display settings.
2. Select the display that you want to configure.
3. Change display settings as you want.
Note: If you set a higher resolution for the computer display than the external display, only part of the screen
can be shown on the external display.

Using the NVIDIA Optimus Graphics feature

Some ThinkPad notebook computers support NVIDIA Optimus Graphics.
To achieve the best balance between the computer performance and a long battery life, depending on the
graphics quality demand of the running program and power plan settings that you use, the NVIDIA Optimus
and then select a display
®
in full-screen mode, only the main
.
Chapter 2 Using your computer
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