Problem: The Win10 desktop theme background cannot cover the screen, and black borders appear. Simple explanation: This problem troubles many users, causing the selected background to not be displayed in full screen. Guided reading: This Win10 tutorial will guide you through this problem and detail how to fill the entire screen. PHP editor Youzi will provide you with step-by-step guidance to help you solve this trouble easily.
The solution is as follows:
1. Click "Start" in the taskbar in the lower left corner and select "Settings" in the menu list.
2. After entering the "Settings" interface, you need to click on the "Personalization" option.
3. Then in the window that opens, you need to find the "Select Fit" option on the right.
4. Then click the drop-down button of the option box, and finally select "Tile" in the list given.
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