Fix #1: Disable Fast User SwitchingĪ new feature found with Big Sur that can cause your Menu bar to disappear is known as Fast User Switching. The update makes the desktop look pretty different and part of that is a different-looking menu bar. This means that there are some pretty drastic visual differences with the Big Sur update compared to other macOS versions you might be used to. One of the big reasons for creating the new Big Sur upgrade is to create a platform that more closely represents the iOS mobile platform that Apple uses on iPhones and iPads. Why Did the Menu Bar Disappear After Installing macOS Big Sur?

If you encounter this problem, take a look at the suggested fixes below to see if they can help you resolve the problem. In this article, we are going to take a look at the issue of the Menu bar disappearing on macOS Big Sur. But as with any big update, there are usually some bugs that exist within the early versions that can cause a variety of issues after installing it.

A lot of people are really enjoying the new macOS Big Sur update.