Will a clean install speed up my Mac?

A clean install will not make your Mac faster if you have no issues. This is not Windows. Unless you have a problem, there is no performance gain to be had by a re-install.

Should I automatically keep my Mac up to date?

As with iOS, you may want to hold off on installing macOS updates automatically, especially because it’s a good idea to fully back up your Mac before installing such an update. However, installing system files and security updates is a very good idea, because these are updates that are essential to protect your Mac.

Why do a clean install macOS?

Remember, a clean install is effectively the same as reformatting and factory resetting the Mac, which makes it useful for not only troubleshooting but also for transferring ownership of a computer, if you plan on selling it or giving it to someone else.

Should I clean install macOS Monterey?

A clean install will free up space currently used by third-party apps. It can also help to speed up older Macs by clearing out old system files. If you aren’t having system performance issues, however, you may find that it’s best to upgrade to macOS Monterey using the standard upgrade method.

Is reinstalling OSX good?

When Your Mac Is Really Slow You might need to remove some startup programs, run updates on your system, or clean out your storage drive to fix this issue. But if none of these fixes have an effect, reinstalling macOS can likely help speed up your system.

Does reinstalling OSX delete everything?

macOS Reinstallation Deletes Everything, What Can I Do Reinstalling macOS of macOS Recovery can help you replace the current problematic OS with a clean version quickly and easily. Technically speaking, simply reinstalling macOS won’t erase your disk either delete files.

Will Mac update with lid closed?

It can download updates, that’s for sure. It will install updates, that do not require a restart, if automatic installation of those is set up. It will not install updates that require a restart.

How do I do a clean install of Mac without USB?

Tutorial

1. Restart your Mac, or power it on, while holding down the Command + R key combination.
2. Release the Command + R key combination once you see the Apple logo on display.
3. Once you see a window like the one below, click on Disk Utility and Erase your main Mac HDD (or SSD).

Does reinstalling macOS erase data?

Reinstalling macOS from the recovery menu does not erase your data. However, if there is a corruption issue, your data may be corrupted as well, its really hard to tell.