Why isn't my screenshot working on Mac?

Related questions

1. Why is my screenshot not working on Mac?
2. Why is my screenshot not working on PC?
3. Where do screen snips save?
4. Why is my Fn key not working?
5. Does Windows 10 have Snipping Tool?
6. Where did my screenshot go Mac?
7. Should I turn on sticky keys?
8. Will Sticky Keys go away?
9. How do I fix the snipping tool in Windows 10?
10. Where does my screenshot go on Windows 10?

Tags

1. #click
2. #control
3. #appears
4. #restarting
5. #dialog
6. #cause
7. #command
8. #power
9. #three
10. #press
11. #button
12. #restart
13. #applications
14. #eject