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Nov 22, 2016 MacBook Pro, macOS Sierra (10.12.1) Posted on Nov 22, 2016 7:13 PM Reply I have this question too ( 93 ) I have this question too Me too (93) Me too. Jan 12, 2017  MacBook Pro, macOS Sierra (10.12.1) Posted on Nov 22, 2016 7:13 PM. Reply I have this question too (93) I have this question too Me too (93) Me too. All replies Drop Down menu. First Page 1 of 2 Page 1/2 last Page 1/2 Loading page content. Page content loaded.

by Shirly Chen, updated on 2017-01-22 to Mac Data Wipe

'Once, my little brother told me that he saw so many photos of me when he was recovering lost data from the Mac that I gave him a few weeks ago. I make sure that I had deleted all my private photos and emptied the trash bin before I sent that Mac to him. It is so embarrassing because I don’t want my family members to see my private photos, especially those unconstrained selfies. So I think the question - how to securely and permanently delete Mac files? Now I am using a Mac with macOS Sierra system. I delete files every day, but what is the right way to securely empty Mac trash bin under macOS 10.12 Sierra and permanently destroy all deleted/lost data and erase traces?'

If you are looking for an easy yet effective solution to securely empty Mac trash bin under macOS 10.12 Sierra, you are at the right place. In this article, I will show you a secure solution to easily empty Mac trash bin under macOS 10.12 Sierra and permanently erase those 'already deleted/formatted/lost data' and data traces. However, before securely empty your Mac trash bin, please check if there are some deleted files that you want to put back.

Securely Empty Mac Trash under macOS 10.12 Sierra

If you just click empty button to empty the Mac trash bin, the deleted files can be easily recovered by Mac data recovery software. So other people can easily recover your lost files after you empty Mac trash bin intentionally or unintentionally. DoYourData Super Eraser for Mac is a powerful Mac data erasure application. It offers the feature to help you easily and securely empty Mac trash bin under macOS 10.12 Sierra. Here are the simple steps.

Step 1: Download and install DoYourData Super Eraser for Mac on your Mac. It is fully compatible with macOS 10.12 Sierra and other Mac operating system versions.

Step 2: Run DoYourData Super Eraser for Mac and select this mode 'Wipe Free Space'.

Step 3: Choose your Mac hard drive and click on 'Wipe Now' button. Then DoYourData Super Eraser for Mac will permanently erase the free disk space of your Mac hard drive to permanently erase deleted or lost data and history data traces.

The deleted data or history data traces is stored on the unused disk space. DoYourData Super Eraser for Mac will help you erase the unused disk space and overwrite it to permanently wipe those deleted or lost data on your Mac hard drive. It also can erase deleted/lost data from storage media like USB flash drive, memory card, digital camera, etc.

Now you know how to securely empty Mac trash under macOS 10.12 Sierra. You just need to install DoYourData Super Eraser for Mac on your Mac computer. This powerful Mac data erasure software also can help you erase files and folders, wipe entire hard drive. After erasure with DoYourData Super Eraser for Mac, the targeted data will be permanently lost, can’t be recovered by any data recovery software. You can safely resell or donate your device after secure data erasure.

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macOS Sierra is a fantastic update arriving from Apple to make us love our Macs even more. It has plenty of new features, and also has the same easy clean install and upgrade flow as did the previous OS.

LEARN MORE: How to Clean Install the macOS High Sierra?

Note, that getting an upgrade is the easiest way of installing the new macOS. It saves all your personal files, apps and user data, while a so-called clean install of Sierra will erase all data on the startup drive and replace it with a clean copy of OS. But, if you like an idea of giving your Mac a fresh start with a new macOS and nothing else, a clean install is the right option for you.

Also, in case you’ve noticed that with time your Mac is running slower, it has unusual startup or shutdown issues and crashes, a clean install may be a good way to get back the speed and fix the problem.

First of all, make sure that your Mac is able to run MacOS Sierra.

Then, you should prepare your Mac for the installation:

• Download macOS Sierra Installer from the Mac App Store. Once the download completes, it will automatically launch. Quit macOS Sierra Installer app without performing the installation.
• Take a 16GB or larger USB flash drive to create a bootable Sierra installer. This flash drive is only needed for a clean install on your Mac’s startup drive. But if you plan to clean install on a non-startup drive (you have and extra HDD or SSD on your Mac), you don't need the USB.
• Backup your Mac to ensure your personal data is intact.

Clean Install macOS Sierra on Your Mac’s Startup Drive

If you're going to perform a clean install on the startup drive, you need to backup your data, create a bootable copy of the installer, and, finally, boot from the bootable installer. So, let us begin.

Step 1: Clean up your Mac

To make sure Sierra has no troubles installing and works fine after, you need to get rid of system junk on your Mac first. You could clean it up manually, but using a cleaning app like CleanMyMac X will save you hours on that. Junk removal with CleanMyMac takes only a few minutes. Download CleanMyMac for free, launch it, click Scan, and then Clean. Now you’ve got plenty of free space and your Mac is free from system trash.

Step 2: Back up your data

Note: A clean install of macOS Sierra on the startup drive completely erases all data on that drive: all your files and documents, including music, movies, pictures, and even apps.

So, If you skip this step, you wouldn’t be able to recover your data if something goes wrong.

To backup your Mac:

• Open Time Machine.
• Click Select Disk.
• Choose where you wish to save your files (to the external drive or to the cloud storage).
• Click On to turn Time Machine on.
• Click on the “arrow clock” icon and select Back Up Now in the menu bar at the top of the screen.

Step 3: Clean Install macOS Sierra on your startup disk

1. Create a bootable flash drive with macOS Sierra.

Mac Os

First, make sure your USB flash drive is formatted and named as “Untitled”.

• To format a USB drive launch Disk Utility (Finder -> /Applications/Utilities/Disk Utility).
• Select your USB drive under External.
• Click the Erase tab at the top of the Disk Utility window. Select Mac OS Extended (Journaled) from the format list. Then, click the Erase button. When the process is complete, click Done, and close the Disk Utility window.
• If your drive is named something else, you need to rename it (Open Finder -> right click on the USB drive and choose Rename).

Now, your USB flash drive is ready.

• Launch Terminal (Finder Applications Utilities Terminal)
• Enter the following text into Terminal:
  sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install macOS Sierra.app --nointeraction
• Hit the Enter key.
• Terminal will ask you for an admin password (the one you use to log in). It won’t display characters when you type, so just do it. Hit Return. You’ll see that Terminal erases your drive. Then, Terminal will copy the installer file to your disk. This will take a few minutes. When the process is complete, the Terminal window will report 'Done.' You can quit Terminal and your bootable macOS Sierra installer USB drive is ready for use.

Also, you can follow the instructions from an Apple article on how to create bootable installer.

2. Plug in the bootable macOS Sierra installer USB drive to your Mac.
3. Restart your Mac while holding the Option key or Cmd+R. Make sure to keep it pressed!
4. When Mac restarts, you’ll see the macOS Startup Manager with a list of bootable devices that your Mac can start up from.
5. Use the arrow keys to choose your USB drive with macOS Sierra installer. Press Enter.
6. Select Disk Utility.
7. In the window, at the top of the left bar, select your Mac’s Main Drive (it looks like a MacintoshHD).
8. Select the Erase tab located next to the First Aid button at the top.
9. Near the center of the window, select the Format drop-down list and select Mac OS X Extended (Journaled) type.
10. Click Erase (Note: this will erase all your data from your main drive!) and give the drive some time to format.
11. When it’s done, close Disk Utility and select “Install macOS” from the menu.
12. Select your main drive and install the new macOS Sierra 10.12.

Follow these Sierra install instructions and enjoy your newly clean-installed macOS Sierra.

Clean Install on a Non-Startup Drive

Trash It For Macos Sierra Mac

This type of clean install doesn't require you to make a bootable copy of the macOS installer, since you can run the installer directly from your Mac’s startup drive. But you need to have another hard drive or volume that you can use for installing macOS.

So, this is the easiest way to clean install macOS 10.12. Simply use an extra drive or volume (it doesn’t have to necessarily be empty already, you just need to be fine with it being erased) and install Sierra there.

Step 1: Erase your non-startup drive

If your non-startup drive has any other Mac OS, erase it before installing Sierra. If the target drive only has personal data on it, or is already empty, you can skip the erase process.

To erase the non-startup drive, use a Mac's Drive Using Disk Utility (OS X El Capitan or later)

After the non-startup drive is erased, you can start the install process.

Step 2: Download the macOS Sierra Installer from the Mac App Store

When the macOS download completes, it will automatically launch the installer. Quit the macOS Sierra Installer app without performing the installation. You'll find the macOS Sierra Installer in the /Applications folder.

Step 3: Start the Installation of macOS Sierra on the Non-startup drive

• Launch the Installer from /Applications folder.
• Click Continue.
• Check the non-startup drive that you can install Sierra on (usually, the installer will display the default target for the installation of macOS Sierra as the startup drive (Macintosh HD). So, you should to click the Show All Disks button, and the installer will display a list of all attached volumes).
• Click the Install button.
• The macOS Sierra installer will display a progress bar. You'll be guided through the macOS Sierra setup process to create a user account, set up date and time, and other introductory stuff.

Trash It For Mac Os Sierra 10 13

Enjoy your fresh, clean-installed macOS Sierra.

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