Cause Analysis:
For the Start menu interface in Windows 8 modern style (note: The original metro style), you can either PIN or cancel the tile. If you cancel just one tile, such as "desktop," You can still go to all apps to select and then re-pin it. Please read the procedure for details.
Solution:
1. Click the right mouse button in the blank Space of the Start menu screen. Then the bottom will pop up "all apps" prompt, left mouse button click;
2. In the list of all apps, find the "desktop" icon and click on the "right" button above, then click "Pin to Start screen" in the lower left corner;
3. The "desktop" tile will be docked again on the start screen after this operation;
4. If the desktop icon is not found in the All Apps list, the file has been deleted. You will need to copy the desktop from the "C:\ProgramData\Microsoft\Windows\Start Menu\Programs" path in Windows 8 or Windows 8.1 systems installed on another PC. LNK "shortcut to the same location as the fault machine.
Note: In addition, you can also choose to display the desktop using the "Windows logo key +d key" combination hotkey.
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