![]() ![]() You need to clean up storage in your Mac to deal with many of these problems. These are the common issues that you may encounter after the latest upgrade. Choose delete/to forget wifi connections and uncheck the boxes.ĥ. Click on Advanced in the bottom right corner.Ĥ. Go to System Preferences – Network and find WiFi.ģ. If you lose WiFi connection after the upgrade, it might be due to problems with the WiFi router, your Internet service provider, or the MacBook software.Ģ. Go to System Preferences – Network – Wi-Fi Advanced, and then remove current WiFi connections. Select Reset the Bluetooth module to restart your Mac.ģ. Press Shift + Option and click on the Bluetooth icon in the menu barĢ. It can be really frustrating to have problems with the Bluetooth connectivity after the upgrade. ![]() macOS Big Sur connection issues Bluetooth is not available in macOS Big Sur – Uninstall apps that are draining the battery. – Reset SMC and PRAM to manage the power and a host of features. – Open the built-in Activity Monitor on your Mac to see what apps are draining the battery. The new system could also cause battery drain, which means that your Mac will run out of battery faster than before. You can try Cleaner One Pro, which is one of the best cleaning and optimizing apps for Mac OS. – Consider using a third-party software to help optimize the overall performance of your Mac. – Disable Spotlight Search when your Mac is slow. – Use Activity Monitor to quit processes or close unnecessary applications. Uncheck some login items to boost up speed. – Go to System Preferences – Users & Groups – Login Items. Sluggishness is pretty common for old devices. This is also the case for macOS 11 Big Sur since it could lag your Mac and make it super hot. The new system may not always meet your expectations. Poor Performance When Using macOS Big Sur macOS Big Sur freezing & running slow Go to System Preferences and select Dock & Menu Bar.Click on Login Options and switch OFF the “ Show fast user switching menu as…” option.Go to System Preferences – Users & Groups.If that doesn’t solve the problem, follow these steps: Solution: When you can’t see the menu bar after installing Big Sur, try to restart your Mac. If your Mac gets stuck during the macOS Big Sur installation, you can try to reboot your Mac in Safe Mode.Īpple Menu bar disappeared in macOS 11 Big Sur.If the Mac turns to sleep mode while installing, you can adjust Energy Saver settings with System Preferences.If your Mac is not on the list above, you need to reinstall macOS or downgrade the macOS to Catalina.Here are all the devices that can run macOS 11 Big Sur: ![]()
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