If it stops working, there are a few places to look for answersstarting with the keyboard.
If this accessory is functioning properly, look elsewhere.
Turn off the Mac and turn it back on.
Then take a screenshot according to your preferred method, whether that’s keyboard shortcuts or the Screenshot app.
Check the screenshots keyboard shortcuts.
These prefs are on by default.
They may have been switched off at some point or set to keyboard combinations other than the defaults.
To check this, go toSystem Preferences>Keyboard>Shortcuts.
There you might see whether keyboard shortcuts have been turned off or reassigned to other actions.
This memory is responsible for controlling many of the internal options of the computer.
Confirm the location for savingscreenshots in the Screenshot app.The default is to save screenshots to the Desktop.
If you changed that setting, your screenshots may be hiding somewhere you haven’t looked.
Check the location on the Screenshot app’s floating menu bar.
If you prefer a manual approach,use Terminal to set the destination for screenshotsand other files.
Check Your Dropbox parameters.
It’s wise to start by confirming that the keyboard is responsive.
If you notice issues with specific keys or momentary unresponsiveness, try theseMac keyboard troubleshooting tips.
Other places to look include the Mac’s keyboard shortcut tweaks for screenshots and the built-in Screenshot app.
