The mac starts up fine and goes to the login screen. After I enter my password the progress bar is stuck in 70%-80% and sometimes at 100%. I tried resetting NVRAM and SCM but it didn't help. If your Mac is stuck, one method you can try is as follows (ensure Mac is plugged into charge during the whole process): Hard shut-down your MacBook Turn on MacBook while holding option+command+R to enter recovery mode When prompted connect to Wifi, choose your language and log into your account.
Tip & Tricks to Fix Mac Installation Failed/Stuck/Frozen/Slow Errors
Stuck Mac Os Catalina
If your Mac is unable to install macOS Big Sur or freezes on installing, you can try to fix it with the following tips. There is no guarantee that each tip works on macOS update problems. But it covers the common measures when Mac users fails to install new macOS, hopefully any of these tips will work for your macOS installation problem.
1. Shut down your Mac and wait for some time. When a new OS releases, a massive number of people will go to download and install the updates in a snap. As a result, the downloads and installation will be very slow with the large file and many people doing the same thing at the same time, and even fail during the process. What you should do is to wait for the server becoming less busy. According to Apple system status page, macOS Software Update issue has been resolved. Now you should download the macOS Big Sur update file faster and install it without seeing 'An error occurred while installing the selected updates'message.
2. Go to Mac App Store and open updates. If your Mac install stuck on Apple logo, gray/white/black screen when you were installing an App, you can go to Mac App Store to find this app and open the updates to survive from the macOS installation stuck situation.
Stuck Mac Os X
3. Download & install the combo update. The Mac App Store isn't the only place to download macOS from. When your encounter problems on macOS Big Sur installing, you can try to download the combo macOS update from the Apple official site because the macOS installation package downloaded from Mac App Store may only include the essential files for your Mac update, instead of the combo updater with all the files required to update to macOS.