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Will upgrading to Sierra delete my files?
No. Generally speaking, upgrading to a subsequent major release of macOS doesn’t erase/touch user data. Pre-installed apps and configurations too survive the upgrade. Upgrading macOS is a common practise and carried out by lot of users every year when a new major version is released.
What happens if you delete the Macintosh HD?
Erasing your Mac permanently deletes its files. If you want to restore your Mac to factory settings, such as to prepare it for a new owner, first learn what to do before you sell, give away, or trade in your Mac.
Where is the Disk Utility in macOS Sierra?
First, one can go to Finder > Go > Utilities, then double-click on the Disk Utility icon. Next, there’s a keyboard shortcut to get to the Utilities folder — Command + Shift + U from the Finder. Or, since you’re running macOS Sierra, you can just click on the Siri icon and say “Launch Disk Utility”.
Why are external hard drives not showing up in High Sierra?
There was never a problem with either drive before installing High Sierra I found a partial solution to my external drives not mounting or showing up in the drive utility program. By starting up in Safe mode (hold down shift key while doing startup or restart), the drives show up on desktop and in drive utility.
Why do I have a problem installing macOS Sierra?
macOS Sierra problems: Not enough space to install. If you get an error message while installing macOS Sierra saying that you don’t have enough hard drive space, then restart your Mac and boot into safe mode. To do this, turn off your Mac and wait 10 seconds, the press the power button.
What’s the latest version of Mac OS Sierra?
The new macOS Sierra update is now available to download and install for OS X 10.11 El Capitan users, but if you’ve just decked out your Mac with the latest operating system and noticed that things don’t work the way they should, or encounter any other issues, then we have a list of fixes for the most common problems.