Mac Maintenance and common tasks How to conserve Mac battery Reinstall MacOS Useful Mac Shortcuts How to connect a Mac to a VPN How to do a PRAM reset Common errors and how to fix them How to resolve a frozen screen How to force quit a frozen or unresponsive program How to resolve ‘Mac keyboard not working’ errors Fix Spinning Beachball on Mac “Couldn’t unmount disk” error “Sudo: command not found” error
