Content Comparison

Windows

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Make sure your external display is connected with correct cable and powered on
- For connection cable, consult user manual for appropriate cable
Turn the laptop on
After the desktop loads press the Windows Logo Key + "P" then select one of the follow following options
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- PC screen only - image will only appear on laptop and not on external display
- Duplicate - same image will appear on laptop and external display
- Extend - image will appear as an extension of your desktop
- Second screen only - image will only appear on external display and not on laptop

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Connect laptop to external display using connection cable
- Consult user manual for appropriate cable
Right-click any empty area of your desktop
Click Display Setting Setting
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Click on the Multiple displays drop-down list
Select one of the following:
- Duplicate these displays - same image will appear on laptop and external display
- Extend these displays - image will appear as an extension of your desktop
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Make sure your external display is connected with the correct cable and powered on.
- For connection cable, consult user manual for appropriate cable
From the Apple menu choose System Preferences
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Open System Settings
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From the View menu, choose Displays
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Click on the Arrangement tab
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Mirror Display
Check
the Arrange… button
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Hold down the option key and drag the displays on top of each other if you would like to have the same image appear on laptop and external display
Uncheck to have the image appear as an extension of your desktop
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To reverse this selection, simply hold down the option key and drag the displays apart.
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