Hello,
Press Windows Key + Prtscr or Windows Key + Fn + PrtScr keys to take screenshot.
If that doesn't works, try this fix:
https://www.kapilarya.com/fix-screen-capture-no...
Let us know if this helps!
Note: Included link(s) in this reply refers to non-Microsoft website(s). The page(s) appears to be providing accurate, legitimate and safe information. Watch out for ads on the site(s) that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.