There are many people who believe that reinstalling MacOS will fix any problems the computer is experiencing. This could be anything from slow performance to crashes and freezes. However, it’s important to understand why you’re getting these issues before taking this drastic step.
I recommend doing a research on your current issue so that you can know whether or not installing an operating system again would solve your problem, but if you do decide to go ahead with this process then follow these steps:
– Backup all data in case something goes wrong during installation – Download install media for the version of Mac OS X you want – Reboot into recovery mode by holding Command+R while booting – Select Disk Utility -> Erase tab -> choose Macintosh.
We just got a new Mac computer and want to reinstall the operating system without losing our data.
What is this? We are going to need: A USB stick or external drive for backing up your files, The macOS Install app from App Store (or an ISO file), Time! If you’re using a USB stick be sure it’s plugged in before proceeding with step one below.
First of all, we’ll turn off Finder on the computer so that nothing changes while installing. Click Apple icon > System Preferences > General . Select ‘do not allow any apps downloaded later than’ and then select ‘2012’ as date. Then click apply-now restarting your machine after few seconds. Secondly,
If you reinstall macOS, any data stored on your device will be erased. To avoid losing the files and documents that are important to you, back up all of your data before attempting a major system update or installing new software like MacOS Sierra.
+ When upgrading from an older operating system version such as El Capitan,
Yosemite, or Mountain Lion to macOS Sierra there is a chance that some files and documents from your earlier version will not be compatible with the newer one.
+ Before installing MacOS it’s important to back up all of the data on your computer so you don’t risk losing anything. Apple offers free iCloud storage for desktop computers running OS X Yosemite or later but an external hard drive might be more suitable if you need large amounts of space in order to store photos, videos, music and other personal files.
– To avoid any issues or confusion when reinstalling an older operating system such as El Capitan, Yosemite, or Mountain Lion first make sure you have backed up all of your data before proceeding because creating a backup is necessary before.
When you’re ready to install, open the App Store and search for MacOS Sierra. You’ll see a message that will ask if you want to download it, click Install now. If there are any updates available they will be downloaded automatically in the background before installation begins so don’t worry about having them at this point!
+ Once your new operating system is installed you can set up iCloud Drive by following these steps: In Finder go into Preferences > iCloud Drive then choose Add Folder or Add Files option from top right corner of window which appears after clicking on + sign next to “iCloud” near the bottom left side of screen; select where your personal files should be stored like Documents (for example) and give permissions as
If you want to remove old data from your Mac, go into a Finder window > press Shift key + Command (the two keys are located at the top of keyboard) then select Go To Folder and type ~/Library/Caches/. Once you’re in this folder move items that don’t need keeping like caches or large files by dragging them over to Trash icon near the Dock in order not clutter up drive space. When finished close finder window which was open when searching for these folders!
– In startup disk preferences panel choose “Recovery HD” next to Macintosh HD; if you can’t see an option with Recovery text, try turning off FileVault encryption first before proceeding below – it