Macos big sur will be installed on the disk

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After talking with an Apple senior advisor I was informed to simply restart the computer. He said there was an issue with the progress bar not completing therefore not continuing the process of restarting the Mac. After I shut down the Mac and restarted it with the power button it instantly came on and allowed me to login with the update already installed!

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After talking with an Apple senior advisor I was informed to simply restart the computer. He said there was an issue with the progress bar not completing therefore not continuing the process of restarting the Mac. After I shut down the Mac and restarted it with the power button it instantly came on and allowed me to login with the update already installed!

I am having this problem right now. I started the installment last night around 10pm, and I woke up now at 9am and it is still installing. I’m worried I did something wrong, this is a brand new computer.

I have a 6-month old i9 MacBook Pro... thus far in installing Big Sur, it has shut down & not reset without warning, went through some weird process upon restart, & is now taking forever to install. You would think that Apple wouldn’t use customers as the beta launch 🤦‍♂️

This should be seamless. We’ve become too complacent with Apple. They’re turning into Microsoft.

Just bought a new top of the line iMac and it freezes on installation of Big Sur... was on the phone for about an hour with Apple care till I lost them and couldn’t reconnect, didn’t help with the problem. What’s going on here is this a common problem ? Anyone know how to fix this issue? Looking for help, thinking about returning the computer...

I’ve been staring at ‘23 minutes remaining’ for about 6 hours now. The last 3 OS upgrades (which I now dread more than death) have basically gone the same way. Weeks of lost pay. Weeks of being on the phone with apple support. Looks like it’s happening again, for the 3rd time in 2 years. Weeks of lost pay, and the stress has probably taken years off of my life span

Wow, 6 hours? That's cute. I'm on day 3 trying to get my M1 to boot for the first time. It's new, out of the box, literally never used it. I feel like a total chump for buying this thing. I could do a fresh install of windows in the 90s in a matter of minutes. Now today, apparently 13 hours to install macos, is considered acceptable.

To start i'm a music produce since 6 years and i bot my Imac 4 years ago and use it for my production. I don't have a TM backup because my external drive, 1TB, is permanently rejected by the mac i don#t know for what reason. Image if i loose all my data !!! This will be my last Apple computer and will go back to Windows as they don't have this mountain of issues when they release a "new SAFE OS update" ...!!!

i'm trying since one week to have a successful installation of macOS Big Sur 11.4 on my Imac late 2015 with Intel i5 processor and 1TB HDD. According to Apple my mac should be ready for the new OS. Since months i have an error while trying to download the update. And since one week i had different error:

First: "An error occurred while installing the selected updates macos big sur" ..then "An error occurred applying the software update in macos big sur" ..then "An error occurred preparing the software update" .. and since yesterday when i reboot(normal start) the mac i have a black screen with a prohibition sign. and this is what it means: "A prohibitory symbol, which looks like a circle with a line or slash through it, means that your startup disk contains a Mac operating system, but it's not a version or build of macOS that your Mac can use." !!

i tried everything i could find on support.apple.com ... Safe mode couldn't start, it an endless loop till release the Shift key.. reset SMC and NVRAM/PRAM .. Diagnostics gave error PPM002 but i can see my disks on the terminal and in Disk Utility. DiskUtility says disks are OK .. i did the Internet recovery many times (opt+cmd+r and shit+opt+cmd+r), but it ends with same error after hours (error applying the software update). It shows me at the beginning 2 hours and 19 minutes left than it goes up .. one time 29 hours .. than 35 hours .. and today it went up to 50 hours .. and i know it will end with the same error .. i reinstalled big sur on external drive with 1TB, ended also with error.

But since yesterday my file system changed. It is not like in Catalina .. i can see it using Terminal in recovery mode. but my user folder is gone. My Macintosh HD still showing 169 GB but when i check the file system with terminal i see empty files ... Users/ contains only Shared/ folder ... Users/ is now in /system/Volume/Data/Users. If i'm not wrong, before it was in /Volumes/Macintosh HD/Users/MyUser/. I have also two Volumes, a Macintosh HD (with 57 KB used) and Macintosh HD - Data (with 162 GB used).

For today i will make a bootable USB with macOS 11.4 and try to boot from external drive .. i saw that people did it without losing data .. then i want to try the Target Disc Mode and therefore i have to buy a thunderbolt 3 cable and bring my imac to a friend's place that has Big Sur working ... else i will try a Catalina downgrade and go buy me PC.

My worst experience with a system update.

Started to an update for Big Sur on my office computer -- iMac (Retina 5K, 27-inch, 2017) -- over 4 hours ago, which stopped at the 35% mark. I restarted the computer nearly 2 hours ago, and it's stuck at the same mark.

What should I do? It's completely shut down work.

Just disconnect the network until you see error in update window. Then connect to network again and start upgrade again. You will observe download start form beginning but progress bar will move quickly to last download point and continue from there.

Where does macOS install Big Sur?

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Can I install macOS Big Sur on external hard drive?