Frequent Question How Do I Do A Clean Install Of Macos High Sierra

by Barbara R. Abercrombie
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As noted, we’re going to erase everything on the Mac. How to Perform a Clean Install of macOS High Sierra Step 1: Backup Your Mac. Step 2: Create a Bootable macOS High Sierra Installer. Step 3: Erase and Reformat the Mac’s Boot Drive. Step 4: Install macOS High Sierra. Step 5: Restore Data, Files, and Apps.

Can I delete the old install, macOS High Sierra?

If you only want to delete the installer, you can select it from the Trash, then right-click the icon to reveal the Delete Immediately… option for just that file. Alternatively, your Mac can delete the macOS installer if it determines that your hard drive lacks free space.

Can I delete and install macOS High Sierra from applications?

2 Answers. It is safe to delete; you can install macOS Sierra until you re-download the installer from the Mac AppStore. Nothing at all, except you, would have to download it again if you ever need it. After installation, the file would usually be deleted unless you moved it to another location.

Can you reinstall macOS High Sierra without losing?

Here’s a step-by-step guide on reinstalling macOS Sierra on your device without losing data: Select Reinstall macOS from the Utilities Window. Choose a specific hard drive. Wait for the entire process to be complete.

How do I clear the DNS cache on my Mac High Sierra?

How to Flush DNS Cache in macOS Sierra or macOS High Sierra. Step #1: Open the Terminal on your Mac and type sudo killall -HUP mDNSResponder; say the DNS cache has been flushed. Step #2: Mac will ask you to type in a password; you must order your Mac login password and press Enter. Hurray!.

What is the highest version of High Sierra?

10.13.6 macOS Latest version macOS Mojave 10.14.6 macOS High Sierra 10.13.6 macOS Sierra 10.12.6 OS X El Capitan 10.11.6.

Can I delete High Sierra If I have Mojave?

To reinstall macOS High Sierra, download it from the Mac App Store. Do this as soon as possible because once the final version of macOS Mojave is released, High Sierra will be pulled from the App Store, as Sierra was. Note: Apple has removed the macOS Sierra installer from the Mac App Store.

Macos

Is it safe to delete and install macOS Catalina?

The installer should be in your Applications folder, just over 8 GB. It needs about 20 GB to expand during installation. Yes, Maybe it is interrupted by a connection. If you only downloaded it, you can drag the installer into the Trash and delete it.

Is Mojave better than High Sierra?

If you’re a fan of dark mode, then you may well want to upgrade to Mojave. If you’re an iPhone or iPad user, you may want to consider Mojave for increased compatibility with iOS. If you plan to run many older programs that don’t have 64-bit versions, then High Sierra is probably the right choice.

Will updating Mac delete everything?

No. Upgrading macOS is a common practice carried out by many users every year when a new major v—pre-installis eded. Generally speaking, upgrading to a subsequent major release of macOS doesn’t erase/touch user data. Pre-installed apps and configurations to survive the upgrade.

What is installing the macOS High Sierra app?

Apple has released macOS High Sierra, which offers new features such as Apple File System, new features in the Photos app, improved video playback, and more. You can get these new features—and the entire operating system—for free. Before you install High Sierra, you should back up your Mac.

Will installing high Sierra delete my files?

Don’t worry; it won’t affect your files, data, apps, user settings, etc. Only a fresh copy of macOS High Sierra will be installed on your Mac again. A clean install will delete everything associated with your profile, files, and documents, while the reinstall will not.

How do I wipe my Mac and reinstall it from scratch?

Erase and reinstall macOS. Start your computer in macOS Recovery: In the Recovery app window, select Disk Utility, then click Continue. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.

How do I wipe my Macbook Pro but keep programs?

Go to System Preferences and create a new user with admin privileges. Log out, then log back in as that user. Delete all other user accounts, and answer “yes” if you want to delete their data. Open Disk Utility, and do an “Erase Free Space”.

How do I reset my DNS on a Mac?

To flush your DNS cache on macOS Big Sur: Type in Terminal and double-click the Terminal application under Top Hit to open it. Once the Terminal is open, enter this command: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder. Enter your Mac’s password and press Enter to clear the DNS cache.

What does flushing a DNS do?

Flushing DNS will clear any IP addresses or other DNS records from your cache. This specifies a period (in seconds) in which the DNS record for a site remains valid. Within this period, any queries to the website are answered from the local cache without the help of the DNS server.

How do I clear my local DNS cache?

To clear the DNS cache on Microsoft Windows, follow these steps: Open a DOS command window. To do this, click Start, click Run, type cmd, and then press Enter. At the command prompt, type the following command and press Enter: ipconfig /flushdns. The DNS cache is now clear.

How do I restore factory settings on my MacBook air?

How to reset a MacBook Air or MacBook Pro Hold down the Command and R keys on the keyboard and turn on the Mac. Choose your startup disk (Macintosh HD by default) from the sidebar and click the Erase button. Select your language and continue. Choose Disk Utility and click Continue.

How do you do a hard reboot on a Mac?

How to Force Restart Your Mac. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the ‌Touch ID‌ / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts.

Why can’t I erase my disk on Mac?

Recovery Mode is a special partition on your Mac you can use to restore from a backup, reinstall macOS, get online support, or erase your startup disk. It’s not usually possible to erase the startup disk because your Mac uses it to run macOS. It will help if you back to bacgo k before trying to erase or reformat it.

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