“Caps Lock Not Working on MacBook Pro M5 After Login: My caps lock doesnt work on Macbook Pro M5 […] It's only in the login menu where I can click the capslock button and it lights up. However, after logging in, it doesnt work again.[…]”
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Troubleshooting the Trackpad:
Report back if anything here does the trick...
A. Visit this Site: If your Mac doesn’t Respond to Key Presses - Apple Support
B. Boot into Safe Mode:
When you boot into Safe Mode, items load by default, with certain settings and caches set aside. Go Here: Start Up your Mac in Safe Mode - Apple Support
C. Single-Out this User:
What happens when you create a new Administrator user? do you still get this error? If not, then it it like an issue with the configurations of the current user. If so, then it is an issue of the macOS, in which case, you'd need to reinstall it.
D. Reinstall the macOS:
Nothing would be lost. It's just that misplaced items would be placed back to where they should be and corrupt system files would be replaced by clean files. Go Here: Reinstall macOS - Apple Support. Important: Prior to installing an update or performing a reinstallation, to prevent data loss, be sure to Back up your Mac with Time Machine.
E. Restore from a Backup:
Any recent Backups?: If you backed up your Mac prior to updating it then, restore form it. Sometimes, an update can fail due to power issues, or losing connection to Apple's servers. So, know to always back up your Mac prior to making any major changes to it, successfully as au update. In doing so, you with have something to restore store your Mac from from, should anything go wrong with the upgrade.