Go to OSX Daily to read Unable to Auto Unlock Mac with Apple Watch? Troubleshoot & Fix
Apple allows users to unlock their Macs using their Apple Watch, which is a super handy feature for users of both devices. As convenient as this may sound, the feature isn’t completely flawless though, and sometimes you may run into issues with the auto-unlocking Mac feature.
Since Apple Watch and your Mac relies on a wireless connection to get this done, you can run into connectivity problems that may prevent you from unlocking your Mac with it. Additionally, certain macOS settings can change the way your Mac unlocks and in some rare cases, software glitches…
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