Click Start → Settings → Ease of Access → Keyboard.It could be possible that the Print Screen button is chosen as the Snip & Sketch hotkey. The Snip & Sketch hotkey combination can be changed in Settings. 1) Check the Snip & Sketch hotkey setting One of the steps below should fix the Win + Shift + S Snip & Sketch screen clipping capability for you. Win+Shift+S Screen Clip hotkey not working

User “ TYPz” indicated that the “Grammarly” software was interfering with Win+Shift+S and ScreenClippingHost.exe was terminating abruptly. Perform clean boot troubleshooting (i.e., disabling third-party services and startup apps) and see if the problem still occurs.If the clipboard is not working in general, follow the clipboard troubleshooting procedure first.Test the other Winkey shortcuts to know if the Win key isn’t disabled.Make sure that the Winkey isn’t disabled on your system for gaming purposes.It’s better to test with a new keyboard first. There are chances that one of the keys may be stuck.This is to check whether the issue is with the app or your keyboard. Right-click Start, click Run, and type “ ms-screenclip:” and click OK.Pre-Start Checklist: If nothing happens when you press Win + Shift + S:

Windows 10 full screen snip shortcut