Could you please share the following details about the issue:
1. Preset screenshot from the Keyboard Shortcuts dialog by following the given steps: ->Go to Edit Menu ->Open Keyboard Shortcuts (Refer to screenshot 1)
2. If the preset is not a default one, please share the files present at ->
3. Which keys are you using to apply labels/ratings in full screen?
4. Are you facing the same issue in review mode and slideshow?
5. Could you please search the command like the ‘Star’ and share the screenshot of all the available shortcuts like the following from Keyboard Shortcuts. (Refer to screenshot 2)
6. Are the shortcuts working in the content panel?