yes i tried that too tablet mode on/off no luck

Yes i already tried ful screen on/off still not able to access desktop

Thank you for your response i pasted the screenshot
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No improvement by pressing windows key please note my win 10 version is Home Version i guess this is because...

Hello,
Suddenly my win 10 appeared top left corner as 3 lines and all apps are appeared entire screen and not able to access desk top . I tired all setting options but no use earlier start will...