Lenovo 20JD, User Manual, Page: 54 / 150

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 .
If you show programs using DirectDraw or Direct3D
®
in full-screen mode, only the main 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 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.
Traveling with your computer
This topic provides information to help you work with your computer when you are traveling.
Use the following travel tips to travel more confidently and efficiently with your computer.
• When your computer goes through the x-ray machines at airport security stations, it is important to keep
your eyes on the computer at all times to prevent theft.
• Consider bringing an electrical adapter for use on an airplane or automobile.
• If you carry an ac power adapter, detach the ac cord from it to avoid damaging the cord.
Travel tips on airplanes
If you carry your computer onto an airplane, observe the following tips:
• Be careful about the seat in front of you on airplanes. Angle your computer display so that it does not get
caught when the person in front of you leans back.
• When taking off, remember to turn off your computer or put it into hibernation mode.
• Some airplanes provide ac power outlets that do not support the wattage normally required to charge
your computer. If you are having trouble with charging your computer on an airplane, use Airplane Power
Mode to reduce the power consumption of your computer.
To enable Airplane Power Mode, do the following:
1. Start the Lenovo Settings program.
2. Click POWER .
3. Locate the Airplane Power Mode feature and follow the instructions on the screen.
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User Guide