Reinstall macos sierra3/11/2023 ![]() There are different ways to backup data on Mac. If you don't want to suffer from an unexpected loss of your important files during the reinstallation, then you should take a backup of your data beforehand. ![]() How to Reinstall Mac OS? Step 1: Backup Files on Mac ![]() Once you are ready, simply take the following steps to reinstall macOS without losing its data. Update your Mac Apps to the latest versions.Leave at least 2GB of memory and 8.8 GB of storage space on your Mac.Your system might download the needed patches and updates during the process. Keep your Mac connected to a stable internet connection for a seamless updating.Also, if you think your system has been infected by malware, then consider formatting it as well. Disconnect all the attached units like USB drive, SD card, etc.Thus, you can consider taking its backup if you don't want to lose it. Chances are that your existing data on Mac might be deleted after the reinstallation. It is recommended to not keep it in direct sunlight or a hot place during the process. Leave your Mac in a During the reinstallation process, your Mac might be overheated or restart multiple times.Therefore, your Mac should be charged enough to complete the installation. Mostly, it takes 30 minutes to 3 hours to reinstall macOS (the exact time would vary among different OS and system models).For instance, if your system has been upgraded to a corrupt macOS version or the update was halted in between, then you need to reinstall OS X.īefore we teach you how to reinstall macOS X, there are certain vital things that you need to consider. Other issues – There could be numerous other issues with your Mac as well that would demand a reinstallation.Malware attack – A virus or malware can also infect the core function of macOS and would demand a complete reinstallation of the tool.In order to fix it or run troubleshooting, you would need to reinstall the OS. Corrupt OS – Ideally, your macOS can get corrupt or compromised due to different reasons.Mostly, the issue is resolved by visiting the Mac recovery mode. Startup issues – Apart from the firmware, there would be a problem with your Mac's startup or bootstrap program as well.It can happen when macOS seems to malfunction and can't complete the needed operations. Firmware issues – Mostly, a firmware issue related to macOS demands a reinstallation of the operating system.The following are some of the common problems that force a complete reset on a Mac. There are all kinds of reasons for us to reinstall macOS on the system. Recover Erased Files after Reinstalling Mac OS.Troubleshooting: How to Reinstall Mac OS?.It says “the information on the recovery server is damaged” no matter how much I try. I made a bootable usb with transmac software in windows PC, since I had no access to other MacBook, bootable usb with macOS Sierra dmg file And l hold down the option key while powering on the MacBook it doesn’t show or give me the boot options from usb it directly takes me to internet recovery and after that the same process. After that when I start my MacBook it shows a folder with question mark on it and won’t start, so I googled around and did the cmd + option + R key and it brought me to the internet recovery after which I landed on a page called macOS Utilities and form there through disk Utility I erased my drive to instal a fresh copy of OS X through internet recovery but when I try to install it says “the information on the recovery server is damaged “ I tried like 15 to 20 times through internet recovery it’s still doesn’t work and gives me the same “ the information on the recovery server is damaged”. ![]() Last I had done a factory reset on my MacBook Air 2017 model and while I was installing Mac OS High Sierra the installation didn’t complete, I don’t know why and how. ![]()
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