Erase mac hard drive

How do you erase a hard drive on a MacBook? Insert the Mac OS X installation CD into your CD/DVD drive and restart your computer. Hold down the C key while the system boots up. Select "Select Installer" and select "Open Disk Utilities". Select the hard drive you want to erase and click the Erase tab. Select a format and click Options.

How to clean a hard drive on Mac?

Open the Apple menu.
Click About This Mac.
Then select Storage.
Select Manage.
From there, you can check out tips to save space on Mac.
You can decide which files to keep in iCloud, delete media you've already viewed to optimize storage, set the Recycle Bin to empty every 30 days, and view it.

How to backup Mac to external hard drive?

Connect your portable hard drive to your Mac using the included USB cable.
Open Finder > Preferences > Sidebar and check your external hard drive.
Drag and drop the files you want to back up from your MacBook or iMac to your external hard drive.

How to factory reset a Mac?

For Mac computers with an Intel processor, press and hold the power button and choose the Restart option from the pop-up menu. Otherwise, open the Apple icon in the top left corner of your screen and choose Restart. From there, hold Command + R until you see the Apple logo. Release the keys and let the Mac start up and open in Recovery.

Mac hard drive

How do you restore a Mac to factory?

How to Restart Your Mac Once all your important files have been backed up, you can start a factory restore. Connect your MacBook to the power adapter, turn it on and hold down the Command key and the letter R. The Apple logo should appear on the screen indicating that you can drop it.

How to wipe a MacBook?

Make a backup
Quit iTunes
Sign out of iCloud
Exit iMessage
If you keep Bluetooth devices paired, disconnect them (optional)
Erase your hard drive and reinstall macOS.

How do you erase data on a Mac?

OS X or earlier versions back up the data you want to keep. Insert the installation CD. Open the Apple menu. Click Restart.. Click "Restart" to confirm. Hold down C while restarting your Mac Open Disk Utility. Click on your Mac's hard drive Click the Erase tab. Give your hard drive a name. Click the Format: drop-down menu. Select a format. Click Delete.

How can I erase everything on my Mac?

Once your data is backed up and you have nothing to tie your old Mac to your personal data, you can erase everything by formatting your hard drive. Restart your Mac Hold down Command + R while waking the startup disk from sleep. Select Disk Utility. Click Continue.

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How do you erase a hard drive on a mac computer without

Restart your Mac and hold down CommandR after the startup beep sounds and the computer boots into recovery mode. Select Disk Utility from the start menu and you can safely erase your startup disk. You can save time by performing a clean without overwriting, then reinstalling OS X, and then freeing up space so you can overwrite it.

How do you remove a hard drive from a Mac?

Open a Finder window and click Finder > Preferences. from the menu as shown below: In the Preferences window, under General Preferences, you will see the option to keep certain items and remove them from the desktop. Disconnect the hard drives as shown below: This will remove the Mac hard drive icon from the desktop.

How to clean my Mac hard drive?

Remove unnecessary apps and games. Most of them have games, applications and other content that are no longer needed and take up space on their hard drive.
Remove duplicates. Duplicates can be hidden on hard drives in several ways.
Keep your backups.
Empty the trash and download the emails.

How to really and fully wipe a hard drive?

5 Steps to Erase Data from Your Computer's Hard Drive Back up your data on your hard drive. Before erasing data from your computer's hard drive or performing a factory reset, make sure to back up all data on your computer. Don't just delete files from your computer. You might think that simply moving the documents to the trash or trash and emptying them is enough. Use a program to erase data from your hard drive.

How do I clean a hard drive completely?

To clear the data, you need to select the device and press F9 or press "Clear", then the "Clear Free Space" dialog box will appear. Then you can select the erasure method, reset the settings and click "Start" to erase the data from the hard drive. Use a free tool to wipe data from your hard drive or completely clean your PC's hard drive.

What is the fastest way to erase/wipe hard drive?

Fill sector with zero - Overwrites the hard drive with zero. It's safe and fast. Fill sectors with random data - Write random data to the hard drive to clean the hard drive. DoD - This is a software data cleaning method that rewrites the drive in 3 steps: zeros, ones. Gutmann: It takes 35 passes to erase the hard drive.

How to completely wipe hard drive?

1) Run the program, go to Tools and select Clean Disk. 2) Select the sweep type. You can delete selected partitions and unallocated space, or delete all partitions on your hard drive. 3) Select the hard drive or partitions you want to delete. Then click Next. 4) Choose a cleaning method based on your security level and cleaning speed and start cleaning your drive.

How do you erase a hard drive?

1. Download and install Free Hard Drive Eraser for Windows for free. 2. Run this free software and select "Disk and Partition" mode from the main interface. 3. Select the disk you want to erase and then click "Start Erase". 4. Select an uninstallation method and the program will quickly complete the uninstallation process.

How to wipe a hard drive

How to reset a Mac?

Turn on your Mac while holding down the Command and R keys on your keyboard. Release when the Apple logo appears
Choose your language and continue.
Select Disk Utility and click Next.
Select your startup disk (Macintosh HD by default) in the sidebar and click the Erase button.
After choosing a name for the hard drive after removing it, select Mac OS Extended (Journaled) from the drop-down menu.

How to restart MacBook?

On all systems: Restart your Mac and then immediately hold down the Option key.
If you're using a portable Mac with an external keyboard, hold down the Option key on the integrated keyboard.
Non-APFS Systems: Click the Boot Camp icon on the far right of the taskbar, then choose Restart in macOS.
This will also install the default macOS operating system.

How do I Erase my iMac?

OS X or later Back up the data you want to keep. Open the Apple menu. Click Restart.. Click "Restart" to confirm. Hold down ⌘ + R while restarting your Mac. Release the buttons when you see the Apple logo. Click Disk Utility. Click Continue. Click on your Mac's hard drive and click Uninstall. Give your hard drive a name. Click the Format: drop-down menu.

How do you completely erase a hard drive?

By far the easiest way to completely erase data from a hard drive is to use free data destruction software, also known as hard drive erasing software or hard drive erasing software.

How do you clean a hard drive?

Select Start → All Programs → Accessories. Select "System Tools" and click "Disk Cleanup". The Disk Cleanup dialog box appears. In the Files to delete list, select the check boxes next to the names of the files you want to delete, and then clear the check boxes next to the files you want to keep. Click the Clean up system files button.

How to wipe a hard drive?

Click Delete Now in the left pane and expand the tree to find the files.
You can also click Browse for File and view the storage space for the files if you can't remember the file path.
Select or add files to the list and click the "Delete Now" button in the lower right corner.

How can I erase free space on my hard drive?

Easy ways to free up space on your laptop's hard drive Delete unnecessary files. The first step is to get rid of the common culprits of space monopolization. Focus on large, repetitive files. Doing this before will greatly improve your hard drive usage, but now let's dive a little deeper. Move the key folders to an external drive. Save money online. Run the program in your browser.

How should I Erase my hard drive?

The easiest way to erase a hard drive in Windows is to reformat it. This method is extremely popular, especially among users who have experienced serious problems with the operating system or computer in general. Reformatting will remove almost all malware and viruses from your computer.

How to clean mac

How do you erase a hard drive on a mac computer best buy

Disk Utility is an option that allows macOS to completely erase the data on your hard drive. You can also check and delete the memory usage in the section. Just follow a few simple steps. Go to Spotlight Search and enter Disk Utility. Select your drive and click the "Erase" button. This will completely erase the data on your MacBook drive.

What is the best external hard drive for a Mac?

External hard drives for Mac work the same as they do for PCs. The best external hard drives for Mac computers generally connect to Mac computers using Thunderbolt or USB cables. This generally gives the fastest connection.

How do you reset Mac to factory settings?

Restart your Mac in recovery mode and do a factory reset. Now that you're done, you can restart your MacBook. To do this, click the Restart command in the Apple menu and hold Command + R while restarting your Mac. Using Disk Utility, click Erase in the recovery menu and completely erase the data from the hard drive.

How do I remove a computer hard drive?

Locate the hard drive you want to remove from the system. Disconnect the power and data cables from the back of the drive to the system board. Pull the quick-release tab on the side of the hard drive slot, and then slide the hard drive out of the slot by sliding it into the computer.

How to manage storage on mac

How do you restore a hard drive?

Connect your external hard drive to your computer. Click Start, type Backup and Restore, and then click Backup and Restore. Click on 'Recover my files'. You can also click Restore all user files to restore all files or restore system preferences or your computer to perform a system restore.

How do I clean up my hard drive on my Mac?

Check your storage space by going to Preferences or Storage (usually available in About This Mac). Cleaning your hard drive on the Mac now requires more manual work than cleaning your PC, so you may have to go through a few different steps. First, go to the recycle bin and empty it.

How to securely erase a Mac's hard drive?

Let's start! Restart your Mac and hold down the following keyboard shortcut: Option + Command + R Your computer will start up in macOS recovery mode. Open Disk Utility to start erasing your hard drive. Click the Erase button at the top of Disk Utility to display the disk format options.

What is the Best Disk Cleaner for Mac?

CleanMyMac is one of the reliable tools available for Mac systems to easily clean up storage space. The program thoroughly scans your Mac, including all parts of your hard drive, and displays the results. It also has a built-in application uninstaller that works well and removes unnecessary program files including traces.

How to clean my Mac's hard drive?

Follow these steps to empty the trash on your Mac's hard drive. This is the most common tip from all Mac users on how to deal with a lack of storage space. Clear cache. The second step in clearing space on Mac hard drive is to clear the system, user and browser caches. Remove unnecessary old apps. Remove language packs. Take away the space monopoly. Manage your email archives. Try some of the maintenance programs.

What is the best way to wipe a hard drive?

Clean up your hard drive with free data destruction software. DBAN (Dariks Boot and ■■■■) hard drive erase program. By far the easiest way to completely erase data from a hard drive is to use free data destruction software, also known as hard drive erasing software or hard drive erasing software.

Why is my iMac so slow?

A MacBook or iMac is usually slow because there is almost no free disk space. In short, the system simply cannot save the temporary files that are created when applications are launched.

How to clean startup disk on Mac?

Boot from macOS recovery.
In the macOS Recovery Utilities window, select Disk Utility. Then click Next.
Make sure that the startup disk name is displayed in the sidebar of the Disk Utility.
Find a data volume with the same name, for example B. Macintosh HD Data. If you have that volume, choose it. Then choose Edit > Delete APFS Volume.

Mac disk cleanup

How can I securely wipe a hard drive?

The easiest and cheapest way to securely erase data from a hard drive is to use an operating system or free software. On Windows: Open a CMD window as administrator. Type or paste "format C: / fs: ntfs /p: 1" and press Enter. Where you see "C", navigate to the drive you want to erase. Enter "Y" to confirm when you see a warning.

How do you clear space on a hard drive?

To access it, right-click on one of the hard drives in the computer window and select Properties. (You can also search for Disk Cleanup in the Start menu.) In the Disk Properties window, click the Disk Cleanup button. Select the file types you want to delete and click OK.

What does it mean to wipe a hard drive?

In the context of a computer, deleting means that all data on the hard drive becomes unreadable. This term is often used to make data stored on a computer, smartphone or tablet inaccessible before removing the device.

How to clean a hard drive on mac for itunes

Erase data from your hard drive: Enter recovery mode by restarting your Mac while holding down the Command and R keys. Release these buttons when you see the Apple logo.

Reset mac to factory settings

How do I free up hard drive space on my Mac?

Step 1. Locate the hard drive icon on the Mac desktop.
Step 2. Right click and select the Get Info option.
Step 3. You can view disk capacity, available and used space. Remark. If you're running out of space, you may need to clean up your Mac to free up space.

How do I best 'clean up' my Mac?

Optimize your memory. Open your storage manager application using Spotlight (Command Prompt) or by clicking the Apple logo in the top left corner of the menu bar and selecting About This Mac.
Consult your questions and documents.
Keep your office under control.
Try DaisyDisk.

How to destroy a hard drive?

Remove the hard drive from your computer.
Wear eye protection.
Press the hard drive several times on different pages until it starts to open. Then remove the round disc from the silver tray. Sew, work and scratch this board.
Pack the parts and return them to your local electronic recycling center.

How do you backup a hard drive on a Mac?

Connect your external hard drive to your Mac. When prompted by Time Machine, click Use as backup disk. Your backup will start automatically. You can also click the Time Machine icon in the menu bar and choose Back Up Now.

What is the best backup solution for Mac?

Download and install Disk Drill on your Mac.
Free data recovery
Your partner to recover deleted files
Free download
Launch Disk Drill and select Save from the top menu, then select Save to DMG Image.
Select the drive you want to create a 1-byte disk image from.
Connect the external drive containing the clone. Click on save

Can any external drive be reformatted for a Mac?

Of course, you can easily reformat most external drives, so you're not limited to buying only those designed for use with Mac computers.

How to setup Seagate Backup?

Step 1. Connect your Seagate external hard drive to your computer by connecting the USB cable to the USB port on the back of the hard drive and then to an available USB port.
Step 2. Locate the Seagate Manager software called Settings in the root directory of your connected Seagate external hard drive. Run the installer
Step 3. Click OK to accept the daily automatic backup of your system drive, the drive where the Windows installation is located.
Easy backup.
Step 1. Select Easy Backup from the Seagate Manager main menu options to view My Documents on Windows XP only, or

What is the best portable hard drive for Mac?

1 Seagate Backup Plus. Seagate Backup Plus is the perfect external hard drive for Mac and comes highly recommended by most websites. 2 Western Digital My Passport Ultra External Hard Drive For Mac My Passport from Western Digital is one of the best external hard drive for Mac 3 Toshiba Canvio Slim II. Another portable external hard drive for your Mac is the Toshiba Canvio Slim II. It is compatible with Mac OS x. 4 GDrive Slim technology. Company: G-Technologie. As the name suggests, this external hard drive for Mac is thinner than the other hard drive mentioned. 5 Transcend Store Jet. If you're looking for an external Mac hard drive with one-click file backup, look no further. Top 5 free hard drive data recovery software in 2020. If the game does not start quickly, try restarting your device.

Reformat hard drive

Can't access Seagate external hard drive on Mac?

First, make sure that the Seagate external hard drive not listed on your Mac is properly connected to the USB port. This is one of the most visible reasons why a Mac can't mount a drive. If you're using an older Mac, make sure the drive has enough power.

How to reformat my passport for Mac?

Connect your Western Digital My Passport reader to your Mac and let the operating system detect the reader and make it available for use.
Select Finder in macOS Dock.
When Disk Utility opens, select the Western Digital hard drive icon in the sidebar.
In Disk Utility, click Delete on the File menu.

Can WD my passport for Mac be used on PC?

If you have a WD external drive for Mac platforms and you want it to work on your Windows 10 PC, the exFAT format is best. To begin formatting, connect the WD Passport to your Mac, open your Mac HD and click Applications, Utilities, and Disk Utility. In the Disk Utility window, select the Passport hard drive.

How to backup a Mac to an external hard drive?

To back up your Mac to an external drive, move the mouse pointer to the top left corner of your desktop. Select the Apple logo and click System Preferences. After you open System Preferences, you will see a number of available options. The time machine is on the bottom row.

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How to back up files on MacBook Air?

How to Back Up Your Mac Back up with Time Machine. Time Machine is your Mac's built-in backup feature. It is a complete backup solution, but you can also use other backup methods. Store files in iCloud. You can also use iCloud and iCloud Drive to store files such as your photos, documents, and music.

How do I backup my Time Machine to an external hard drive?

In the Time Machine settings menu, click the Select Backup Disk button. Select an external drive from the menu, then click Use hard drive to confirm it as a Time Machine backup.

How to format an external drive on a Mac?

Alternatively, you can use a Mac backup solution that will automatically copy your files to your drive. Insert the drive and format it using Disk Utility. Open two Finder windows. One should show its internal drive and the other its external.

How to backup mac to external hard drive without time machine

The second method is to manually backup your Mac data to external storage devices without Time Machine. You can connect an external hard drive or USB drive to your Mac and follow these steps to back up your Mac data now: 1. Under Show these items on my desktop, click Finder > Options > check the box Hard drives on.

How to back up data from external hard drive to Mac?

You can connect an external hard drive or USB drive to your Mac and follow these steps to back up your Mac data now: 1. Click Finder > Preferences > Hard Drives under Show these items on desktop. 2. Open the backup disk, create a folder with files and name it, for example, My Backup.

Do I need an external hard drive for Time Machine backup?

Backing up with Time Machine is relatively easy and only requires an external hard drive. You don't need an Apple Time Capsule (or AirPort) hard drive to use Time Machine. Thank you! Does this delete the data already on the hard drive?

How to free up disk space on Mac without auto backup?

Learn how to free up space on your Mac.Click the Time Machine menu, now you can start backing up your Mac data without waiting for automatic backup. Disable Time Machine to stop the backup or disable startup in macOS Sierra in Time Machine preferences to disable Time Machine. You can select Skip this backup to cancel the backup process.

How do you restore Mac to factory settings?

How to factory reset your MacBook Air Locate and select a recovery option. A menu will appear with a Reinstall OS X option that you need to click. Your MacBook Air connects to the Internet, downloads the necessary software, and launches System Restore.

How do you set Mac to factory settings?

Steps to Factory Reset Mac or Clean Mac for Sale
Step 1 : Restart Mac OS X that you want to restore to factory settings.
Step 2 : then select Disk Utility and click Next.
Step 3 : Select the startup disk and use the "Erase" option to erase it.
Step 4 : Set the initial name of your hard drive and click the "Erase" button again.

How do you force restart a MacBook?

The easy way: press and hold the power button until your Mac shuts down. Press the button again to restart it. If your Mac is constantly freezing and the pointer isn't active: Hold down Ctrl + Command while pressing the power button. This is an alternative keyboard shortcut to force restart your Mac.

How do you reset a MacBook Pro to a previous date?

Restore your system. To open the OS X recovery tool, hold down Command + R while the system boots. With the recovery tool open, select the "Restore from Time Machine backup" option. This will download the files from the most recent restore point.

How do I factory restore my MacBook Pro?

Battery Reset Find out what a battery reset will fix. Look for symptoms. Open the Apple menu. Click Stop.. Click Stop when prompted. Connect your MacBook Pro to the included charger. Locate the SMC reset key. Press and hold the reset buttons on the SMC for 10 seconds. Press the on button.

How do you restart a MacBook Pro?

Turn on or restart your MacBook Pro. After restarting your Mac, hold down the Command and R keys. Hold down the keys until your Mac boots up and you see the macOS Utilities window. In the MacBook Pro menu bar, click Utilities. It's in the top left corner of the screen.

How can I reboot my MacBook Pro?

Restart NVRAM. Find out what resetting NVRAM solves. Open the Apple menu. Click Stop.. Click Stop when prompted. Locate the NVRAM reset buttons. Turn your Mac back on Press and hold the NVRAM reset buttons. Keep pressing the keys until your Mac boots up. Make sure the problem is resolved.

How to factory reset a macbook air

Locate and select a recovery option. A menu will appear with a Reinstall OS X option that you need to click. Your MacBook Air connects to the Internet, downloads the necessary software, and launches System Restore. If necessary, provide your Apple credentials for the download.

How do I Reboot my Apple MacBook Air?

Simultaneously press the Power button and the ShiftControlOption button on the left side of the Macbook Air's built-in keyboard. Wait for a while and then release the buttons and the power button at the same time. Press the power button to turn your MacBook Air back on.

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How to factory reset a mac desktop

Perform a factory reset on your Mac Click on the Apple menu icon and then select Restart. When the Mac has restarted, hold down the Command and R keys until you see the Mac OS X Utilities window. Select Disk Utility, then click Next. Select your startup disk on the left side of the screen, then click Erase.

How to reset MacBook to the factory setting?

Factory reset your MacBook Restart your MacBook. In the macOS Utilities window, select Disk Utility and click Next. Select your hard drive (system drive) and click Erase. After the uninstall is complete, click on "Disk Utility" in the top left corner of the screen. Select Reinstall MacOS and click Next.

How do you reset your Mac computer?

Restart your Mac in recovery mode. First make sure you are connected to the internet. An Internet connection is required to install Mac OS X or macOS Sierra. Restart your Mac by pressing Apple > Restart and holding the Command and R keys until the Recovery Mode Utility window appears.

How to recover data after factory reset on Mac?

Download and install Mac data recovery software on your Mac computer that is logged on as a local system administrator.
After the installation process is complete, launch the software by clicking the shortcut icon on the desktop screen.
On the main screen, you will see two options such as volume recovery and format/reformat.

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How to factory reset a macbook

After backing up your files, turn off your MacBook Pro, connect it to a power source, and then restart it. Finally, hold down the CommandR key (Command and R keys at the same time) to start the restore process. Press and hold these buttons until the Apple logo appears on the screen, then release them.

How do you reset your computer back to factory settings?

To perform a factory reset: Look for the "Factory Reset" or "Reset" button on the back of your router. Using a paperclip or similar, press and hold the Factory Reset or Reset button for about seven seconds. Release the "Factory Reset" or "Reset" button and wait for the router to reboot.

How to hard reset a laptop?

1) You must first start or restart your computer and then press the F key or any key combination on the home screen. 2) Instructions should appear on the screen with information on how to reboot the device. 3) After that, your laptop should be reset to its original factory settings.

How to make reset to the default factory setting?

First, right-click on the Windows button and select the Command Prompt (Administrator) option.
At an elevated command prompt, type the systemreset command (without quotes) and press Enter.
This command will take you to the system reset page, where you have to choose between "Keep my files" and "Erase everything".

How do I restore to factory defaults?

When the ThinkPad Recovery menu appears, press the F11 key. Check the Restore factory settings option and follow the on-screen instructions to reinstall and configure the Windows operating system. The recovery process also installs other third-party software that was on your computer when you first bought it.

How to factory reset a mac mini

How to do a Mac factory reset: Shut down your Mac completely. Hold down the Command and R keys Turn on your Macbook, Macbook Pro, Mac Mini, or any other computer with OS X. Once your Mac boots into recovery mode, open Disk Utility.

How do you reset the password on a Mac mini?

Reset your password on Mac with OS X. Insert the operating system installation CD into your Mac's CD-ROM drive. Restart your Mac. Choose your language. Open the password reset tool. Select your computer's hard drive. Select a user to reset. Enter a new password. Click Save. Restart your Mac and your password will be reset.

How to factory reset a mac lost password

Using Recovery Mode Restart your computer. Press and hold .⌘ Command + R when you hear a beep. Open the Utilities menu and select Terminal. Enter .resetpassword and press ⏎ Return. Select your hard drive. Select the user account whose password you want to change. Create a new administrator password. Enter an additional password hint.

Backup and restore

How do you bypass administrator password on Mac?

Insert the Mac OS X Installation CD (#1) that came with your computer (not the Mac OS X Installation CD #2).
Restart your computer and hold down the C key on your keyboard. This ensures that your Mac is safe from:
Select your language and accept the license terms, then select "Reset password" from the installation menu.
Select your hard drive (probably Macintosh HD) and the name of the administrator whose password

How do I Find my Mac password?

To find the Wi-Fi password on your Mac, follow these steps: Step 1. First, open Spotlight search and type KeyChain Access. The keychain access window opens. Step 2: Now navigate to the left side of the screen and click on "Passwords" in the category menu.

How to change your Mac's login password?

1) On your Mac, choose Apple menu > System Preferences, then click Users & Groups. 2) Click Change Password. 3) Enter the current password in the "Old password" field. 4) Enter a new password in the New password field and then re-enter it in the Confirm field. To choose a strong password, click the Password button next to the New password field.

Can't eject disk on my iMac?

Remove a disk from the desktop: Select the disk you want to eject, then choose File > Eject .
To remove a disc from an optical drive: Press the eject button.
Eject a drive from a Finder window: Click the Finder icon in the Dock to open a Finder window, then click the eject button next to in the Finder sidebar

How do you repair a hard disk on a Mac?

Use OSX recovery. The easiest way to fix your Mac's hard drive is to shut down your Mac, wait ten seconds, restart your Mac, then hold Command + R for Mountain Lion or earlier, or Option for Mountain Lion or later. This will lead to you recovering OSX (partition on your computer).

How do you format a hard drive on a Mac?

Format / Format the hard drive for Mac 1. Open Disk Utility by clicking Finder > Applications > Utilities and then click Disk Utility. 2. Select the hard drive you want to format or reformat.

How to Erase Disk on a new Mac?

They assume that you have already backed up all your data to an external backup or a new Mac because the steps below will actually erase your drive. Restart your Mac, hold down the following key combination: The computer will boot into macOS recovery mode. Open Disk Utility to start erasing your hard drive.

How to properly erase your Mac before selling or recycling?

To clean your Mac before you sell it, recycle it (or buy a used one!) 1 Back up all your data 2 Update your software (optional) 3 Close your accounts 4 Activate the macOS recovery mode 5 Clean your hard drive 6 Install your operating system system (Optional) 7 Additional help.

Should I Sell my Mac hard drive?

How to securely erase data from Mac hard drive before selling. The Mac holds its value very well, and it often makes sense to sell yours to pay for the new model you want. Or maybe you're feeling generous and want to pass it on to those who need it.

How to delete old files on MacBook Air?

Select the drive you want to erase. In most cases, you need to wipe the entire hard drive, which is the highest option on the internal list. This ensures that you delete all your old data so that you can install your Mac operating system (macOS) on a blank drive. Then click Delete.

How to reinstall macOS?

In the Utilities window, select Reinstall MacOS (or Reinstall OS X).
Click Next and follow the on-screen instructions to select a disc and start the installation.
When the installer asks you to unlock the drive, enter the password you use to log into your Mac.

How to reset Mac to factory settings?

Shut down your Mac completely.
Hold down the Command and R keys at the same time.
Turn on your Macbook, Macbook Pro, Mac Mini, or any other computer with OS X.
Once your Mac boots into recovery mode, open Disk Utility.
In Disk Utility, click Next, then select your (primary) hard drive and click Disable.
Click Clear and exit Disk Utility.
Click the Reinstall OS X button and follow the on-screen instructions to reinstall your Mac OS X computer.
Reinstalling Mac OS X will reboot your computer to factory settings. You need to reinstall all your apps and sync all your accounts.

How do you erase and reinstall Mac OS X?

Hold down the Command and R keys while starting your Mac. Select Recovery HD when prompted and click the arrow below to enter recovery mode. In the Mac OS X Utilities dialog box, select Reinstall Mac OS X, and then click Next.

erase mac hard drive