Force the Mac to shut down by holding its power button depressed for at least five seconds. It may fail to restart, but you really don't have any choice but to do that. If it does not restart, you will need to repeat the exercise. It's not possible to determine the reason it stalled at 'about 5 minutes remaining'. Listen to Your MacBook Pro's Start-Up Tones. The sound when your MacBook Pro starts tells a lot. Restart your Mac when Mac progress bar stuck. Whenever you encounter the boot problem, you can.
How To Reboot Macbook Pro 2011
Tip & Tricks to Fix Mac Installation Failed/Stuck/Frozen/Slow Errors
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. Macbook air download drivers to use usb 3.0 to connect to monitor. 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.
How To Reset Os On Macbook Pro
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.
