1. Start up from macOS Recovery
- Command (?)-R. Reinstall the latest macOS that was installed on your Mac (recommended).
- Option-?-R. Upgrade to the latest macOS that is compatible with your Mac.
- Shift-Option-?-R. Reinstall the macOS that came with your Mac, or the closest version still available.
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Moreover, how do you rebuild a Mac desktop?
By rebuilding the desktop, your Mac recompiles all of the desktop information, giving your computer's filing system a fresh start. Restart while holding down the OPTION + COMMAND keys. This is simple, painless and only takes a couple of minutes.
Also, how do I reinstall my macbook pro? Reinstall macOS
- Install the latest version of macOS from the internet: Press and hold Option-Command-R until a spinning globe appears, then release the keys.
- Reinstall your computer's original version of macOS from the internet: Press and hold Shift-Option-Command-R until a spinning globe appears, then release the keys.
Similarly, you may ask, how do I wipe my Mac and reinstall?
Select your startup drive on the left (typically Macintosh HD), switch to the Erase tab and choose Mac OS Extended (Journaled) from the Format drop-down menu. Select Erase and then confirm your choice. Quit out of the Disk Utility app, and this time choose Reinstall OS X and Continue.
How do I reinstall Mac OS without losing data?
How to Update & Reinstall macOS Without Losing Data
- Start up your Mac from macOS Recovery.
- Select "Reinstall macOS" from the Utilities Window and click "Continue".
- Follow the onscreen instructions to select the hard drive you want to install the OS on and start the installation.
- Don't put your Mac to sleep mode or close its lid during the installation.
How do I get my icons back on the desktop on my Mac?
From the menu bar, select "Finder Preferences". In the Finder Preferences window that opens, click the "General tab". You'll see a list of devices that can have their associated icon displayed on your desktop. Place a checkmark next to the items you wish to display on the desktop.How do I factory reset my iMac?
Step-by-step Guide to Reset Mac to Factory Settings- Restart in Recovery Mode.
- Erase Data from Mac Hard Drive.
- a. In the macOS Utilities window, choose Disk Utility and click Continue.
- b. Choose your startup disk and click Erase.
- c. Choose Mac OS Extended (Journaled) as the format.
- d. Click Erase.
- e. Wait until the process is finished.
- Reinstall macOS (optional)
How do you wipe clean a Mac?
How to Wipe a Mac Hard Disk Drive (HDD)- Make sure your Mac is turned off.
- Press the power button.
- Immediately hold down the command and R keys.
- Wait until the Apple logo appears.
- Select “Disk Utility” from the OS X Utilities list.
- Select the disk you'd like to erase by clicking on it in the sidebar.
Does reinstalling Mac delete everything?
Technically speaking, simple reinstalling macOS won't erase your disk either delete files. You probably don't need to erase, unless you're selling or giving away your Mac or having an issue that requires you to wipe.How do I wipe my Mac before selling it?
Factory reset You need to put your MacBook ($799 at Walmart) into recovery mode in order to erase all of your data and reinstall MacOS. To enter recovery mode, restart your Mac and immediately press and hold Command-R. You can release the keys when you see the Apple logo. Next, you'll see the MacOS Utilities window.How can I clean up my MacBook pro?
You can quickly clean up your Mac with these easy steps.- Clean up cache.
- Uninstall apps you don't use.
- Remove old Mail Attachments.
- Empty the trash.
- Delete large and old files.
- Remove old iOS backups.
- Wipe out Language files.
- Delete old DMGs and IPSW.
How do I uninstall and reinstall Mac OS Catalina?
Restart and Install- Use the mouse pointer or the arrow keys on your keyboard to select the disk called Install macOS Catalina in the drive list that appears on the screen.
- Once the USB drive has booted, select Disk Utility from the Utilities window, choose your Mac's startup drive from the list, and click Erase.
How do I reinstall my operating system?
To reinstall Windows:- Make copies of all the personal files on your computer.
- Choose Start→Turn Off Computer→Restart to restart your computer and watch the screen carefully.
- Press the designated key or key combination.
How do I restore my MacBook pro to factory settings without Apple ID?
1 Answer- With Mac off Hold CMD + R and tap power button to turn on computer.
- Still holding CMD + R wait for recovery screen to appear that gives reinstall option.
- Before clicking reinstall click 'disk utility'
- On disk utility click the 'Macintosh HD' then the erase tab on the right.
How do I do a system restore on my Mac?
Press both the "Command" key and the letter "R" at the same time to enter OS X Recovery. Hold these buttons down until you see the Apple logo. A recovery menu will display that includes the option to restore your computer from a Time Machine backup.How do I restore my MacBook pro to factory settings without Internet?
How to Reset a MacBook Pro to Factory Settings Without a Disc- Set the MacBook Pro to restart. Hold down the “Command” and “R” keys when the gray screen appears during the boot process.
- Select “Disk Utility” from the next screen and click “Continue.” Choose your hard drive in the list and click “Erase.”
- Click the “Mac OS Extended (Journaled)” option in the new dialog.
How do you get to macOS Utilities screen?
Hold down the Command and R keys, and power the Mac back up again. Eventually, you'll end up on a screen headlined OS X Utilities. (Once you see that screen, you can release the keys you were holding down.) Click on Disk Utility.How do I install a new Mac operating system?
How to install a fresh copy of OS X on your Mac- Shut down your Mac.
- Press the Power button (the button marked with a O with a 1 through it)
- Immediately press the command (cloverleaf) key and R together.
- Make sure you're connected to the internet through Wi-Fi.
- Select Install Mac OS X, then click Continue.
- Wait.
