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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 Orientation drop-down list box, select one of the following options:
• Landscape: The external display remains the same as your computer display.
• Portrait: The external display rotates 90 degrees to the left.
• Landscape (flipped): The external display becomes upside-down.
• Portrait (flipped): The external display rotates 90 degrees to the right.
4. Follow the instructions on the screen to complete the setting.
Note: You also can continually click Portrait or Portrait (flipped) until the display becomes upside-down.
3.2.2 Setting the resolution of the external display
To set the resolution of the external display, do the following:
1. From the desktop, move the pointer to the bottom-left corner of the screen, and then search Control Panel in the search box.
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 ➙ Advanced display settings.
3. In the Resolution drop-down list box, move the slider up to increase or down to decrease the resolution of the external display.
4. Follow the instructions on the screen to complete the setting.
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