Monterey installation on late 2015 iMac
Late 2015 iMac with El Capitan, installation stuck on 23 minutes remaining and keep restarting...
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Late 2015 iMac with El Capitan, installation stuck on 23 minutes remaining and keep restarting...
Exactly how are you doing the installation, i.e. which guide did you follow if any?
If you 're doing an upgrade via System Preferences > Software Update, It's going to take 40 to 50 minutes.
Are you getting any error messages? If so what are they?
Thanks for your reply, I've downloaded the whole Monterey on my iMac then started the installation since my internet isn't very fast. It was stuck at the black screen with Apple logo on it, and a progress bar showing "about 29 minutes remaining", when it went to 23 minutes the iMac restarted. Some time it went to the sceen with the Apple logo and progress bar without the time and restarted again in a very short time, sometimes it went to the first sceen I mentioned above, and kept looping for hours.
I've tried to use command+R to go to the recovery process, earesed the startup volume and reinstall the OS, same problem. Any suggestions? Thanks.
At this point consider this: https://www.makeuseof.com/tag/install-mac-os-x-using-removable-usb-drive/
If you can get Monterey downloaded via the App Store (don't continue the installation, do Command + Q to quit), you can create a bootable flash drive and install from it.
An easier way to create the bootable flash drive (not involving Terminal) is the app Install Disk Creator. It's free and safe.
And no, I didn't get any error messages before it restarted.
Please try shutting down the Mac and then restart while holding the power button for about 15 seconds and see what happens.
Thanks for your quick reply, it went to the 19 minutes remaining and restarted again and keep restarting right now.
Thanks for your suggestion, I will give it a try and let you know.
Monterey installation on late 2015 iMac