How do I wipe my Mac and reinstall OS?
Select your startup disk on the left, then click Erase. Click the Format pop-up menu (APFS should be selected), enter a name, then click Erase. After the disk is erased, choose Disk Utility > Quit Disk Utility. In the Recovery app window, select “Reinstall macOS,” click Continue, then follow the onscreen instructions.
How do you do a clean install of macOS?
Step 4: Wipe your Mac
- Connect your boot drive.
- Start up – or restart – your Mac while holding down the Option key (also known as Alt). …
- Choose to install your chosen version of macOS from the external drive.
- Select Disk Utility.
- Select your Mac’s start up disc, probably called Macintosh HD or Home.
- Click on Erase.
2 февр. 2021 г.
How do you restore a Mac to factory settings?
How to Factory Reset: MacBook
- Restart your computer: hold the power button > select Restart when it appears.
- While the computer restarts, hold down the ‘Command’ and ‘R’ keys.
- Once you see the Apple logo appear, release the ‘Command and R keys’
- When you see a Recovery Mode menu, select Disk Utility.
1 февр. 2021 г.
How do I clean up my Mac so it runs faster?
13 Ways To Make Your Mac Run Faster Right Now
- Delete the programs you don’t use anymore. …
- Free up hard drive space in general. …
- Run Monolingual! …
- Close memory-hogging processes. …
- If you still actually use Dashboard, get rid of the widgets you don’t use. …
- Add more memory. …
- Clean up the apps that launch at startup.
20 авг. 2013 г.
Does reinstalling Mac delete everything?
Reinstalling Mac OSX by booting into the Rescue drive partition (hold Cmd-R at boot) and selecting “Reinstall Mac OS” does not delete anything. It overwrites all system files in-place, but retains all your files and most preferences.
What’s the difference between Apfs and Mac OS Extended?
APFS, or “Apple File System,” is one of the new features in macOS High Sierra. … Mac OS Extended, also known as HFS Plus or HFS+, is the file system used on all Macs from 1998 until now. On macOS High Sierra, it’s used on all mechanical and hybrid drives, and older versions of macOS used it by default for all drives.
How do I do a clean install of Mac without USB?
Tutorial
- Restart your Mac, or power it on, while holding down the Command + R key combination.
- Release the Command + R key combination once you see the Apple logo on display. …
- Once you see a window like the one below, click on Disk Utility and Erase your main Mac HDD (or SSD).
31 окт. 2016 г.
How do I reinstall Catalina from scratch?
The correct way to reinstall macOS Catalina is to use your Mac’s Recovery Mode:
- Restart your Mac and then hold down ⌘ + R to activate Recovery Mode.
- In the first window, select Reinstall macOS ➙ Continue.
- Agree to the Terms & Conditions.
- Select the hard drive you’d like to reinstall mac OS Catalina to and click Install.
4 июл. 2019 г.
Where is recovery on Mac?
How to start Mac in Recovery Mode
- Click on Apple logo at the top left of the screen.
- Select Restart.
- Immediately hold down the Command and R keys until you see an Apple logo or spinning globe. …
- Eventually your Mac will show the Recovery Mode Utilities window with the following options:
2 февр. 2021 г.
How do you restore Internet on a Mac?
Here is how to use MacOS Internet Recovery:
- Shut down your Mac.
- Hold down Command-Option/Alt-R and press the Power button. …
- Hold down those keys until you a spinning globe and the message “Starting Internet Recovery. …
- The message will be replaced with a progress bar. …
- Wait for the MacOS Utilities screen to appear.
1 февр. 2021 г.
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. …
- Select your language and continue.
- Choose Disk Utility and click continue.
- Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.
How do I make my Mac run like new?
19 ways to make your Mac run faster right now
- Remove apps you don’t use anymore. …
- Free up hard drive space if you have an older Mac. …
- Run Monolingual to delete the extra language files you don’t use. …
- Buy a solid state drive. …
- Close memory-hogging processes. …
- The same goes for apps. …
- Close unused tabs in your browser.
25 авг. 2017 г.
How do you clean your cache on a Mac?
How to clean your system cache on Mac
- Open Finder. From the Go menu, select Go to Folder…
- A box will pop up. Type in ~/Library/Caches/ and then click Go.
- Your system, or library, caches will appear. …
- Here you can open up each folder and delete unneeded cache files by dragging them to the Trash and then emptying it.
5 авг. 2020 г.
Why does my Mac run so slow?
If you find your Mac is running slowly, there are a number of potential causes that you can check. Your computer’s startup disk may not have enough free disk space. … Quit any app that isn’t compatible with your Mac. For example, an app may require a different processor or graphics card.