Use third-party software: you can also back up a MacBook/MacBook Pro/MacBook Air with third-party programs.Please read this page to know how to free up storage on Mac when it’s not enough. Store your files in iCloud: iCloud and iCloud Drive are also used widely to backup important files like documents, photos, music, videos, and contacts. Back up with the built-in Time Machine: you can configure Time Machine to back up all your files automatically. You have two choices: transfer files to another Mac/external hard drive and make a backup of the important files. Step 1: Back up Your MacPlease ensure the security of your data on your Mac hard drive. We show you how to clean your macintosh hard drive and then install Ma.Wipe USB Drives: Erase Your Data Completely & Securely! What to Do Before You Sell, Give away, or Trade in a MacBookBefore talking about how to wipe MacBook (how to wipe a MacBook Pro to sell), I’d like to show users what they should do before erasing the Macintosh HD.This RAM type will keep data for users after their devices are powered off.How to reset NVRAM/PRAM using startup command: Type your Apple ID & password, and then click Deauthorize.Sign out of iCloud (macOS Catalina or later):If you're using macOS Mojave or earlier, please go to the Apple logo menu -> System Preferences -> iCloud -> Sign Out.The NVRAM, formerly known as PRAM, refers to a small amount of special memory on Mac. Select Authorizations from its submenu.Type sudo shutdown -r now and press Enter.Please connect a USB keyboard and mouse in advance before following steps if you’re using a desktop Mac: iMac, Mac mini, or Mac Pro. Type the Administrator password and press Enter. Close all the apps running on your Mac. This process will last about 20 seconds). At this time, quickly press & hold Command + Option + P + R until your Mac boots twice – the Apple logo appears twice.
![]() ![]() ![]() Click on the Erase Volume Group If you don’t see it, just click on the Erase button. Besides, you should choose a format from Mac OS Extended (Journaled) and APFS (recommended by Disk Utility). You may give it a new name or just keep it as Macintosh HD. A dialog box will pop up to inform you that erasing the disk will delete all data stored on it, and cannot be undone. Click on the Apple logo menu -> select Shut Down -> disconnect all the unnecessary devices from your Mac -> power on Mac and open Disk Utility again.Can you recover data from a hard drive that’s been erased?Luckily, yes. Click View in the upper left corner -> select Show All Devices -> look for the startup disk again. If there are other internal volumes listed in the left sidebar, please select them one by one and then click on the - button to delete them.What’s the difference between Mac OS extended journaled and APFS?What to do if you don’t see Macintosh HD in Disk Utility? Wait for the erasing process to finish automatically. Select Reinstall macOS from the list and click Continue. Access the Internet Recovery mode by pressing & holding Command + Option + R. (We’ll show you how to recover data from Mac step by step in the next section.)What if Mac won't boot into Recovery Mode? The process won't be difficult if you get the right tool to help you. Delete Everything On Lion For Selling Download A ReliableSelect an appropriate backup from the list and follow the on-screen instructions.How to factory reset MacBook Pro or how to factory reset MacBook Air?The above guide also works for how to wipe a MacBook Pro or how to wipe a MacBook Air.Read More Bonus Tip: How to Recover Files from Mac HDDStep 1: download a reliable data recovery tool that supports macOS. Select Restore From Time Machine Backup in the macOS Utilities window. Click Agree to continue after you read the software license agreement.You can also restore your system from a previous backup. Then, click Recover.Step 8: choose a destination for the files selected and click Save.Step 9: the last step is to wait for the recovery to finish.How to recover data from a Mac that won’t boot?You should add one more step to the above recovery guide. You can turn on the Deep Scan feature to find more results.Step 6: wait for the scan and browse the scan results carefully to find the files you need.Step 7: choose all the folders and files you want to recover from your Mac hard drive. You can also turn ON Recover Everything.Step 4: click Next in the lower right corner.Step 5: select your Macintosh HD and click Scan. Toggle the switch to ON in front of Documents, Emails, Videos, Audio, and Photos. Format External Hard Drive MacSteps to format an external hard drive on Mac/MacBook using Disk Utility (you don't need to boot your computer into Recovery Mode). Also, you may take out the drive from your Mac and ruin it physically if you want: burning the drive, breaking it into pieces, scratching the platters heavily, etc. Then, click OK when it’s finished.Please read this page to know more details on how to recover data from a Mac computer that can’t start:Still worrying about the data security after erasing your drive in Disk Utility? You can also get a professional disk wiping program to help you clear data completely. Click Create Recovery Drive and wait. Click on the Click here link after Create Recovery Drive at the bottom left. Run Stellar Data Recovery for Mac on another Mac computer. Green screen program for macGive the drive a new name or keep the old name. Click Erase located at the top of the Disk Utility window. Select the target disk under External in the left sidebar. Connect the external hard drive to your Mac properly. APFS should be used in macOS 10.13 and later versions. Mac OS Extended Journaled is suitable for macOS 10.12 and earlier versions. Why does this happen? How to fix the problem and make it finally appear? Please read this page with care:The format of the hard drive depends on where you want to use it usually: on Mac or Windows. Wait for the erasing process to complete.Sometimes, people complained that the external hard drive is not showing up on Mac. Enter the correct Apple ID if necessary.
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