Use Disk Utility to erase your Mac. Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R. If asked, select a user you know the password for, then enter their administrator password Choose your Mac's system drive, usually named Macintosh HD, then click Erase. Select the Format option Mac Extended (Journaled) or APFS. Click Erase, confirm the action if prompted, and wait until..
Click on your Mac's hard drive. It's in the upper-left of the window, under Internal. 9 Click the Erase tab Click Erase Mac and follow the prompts to erase your Mac; For Macs with an Intel Processor. Once in Recovery Mode, click the Disk Utility from the menu and then click Continue If running macOS 10.15 Catalina or 11 Big Sur you will see two similarly named drives on the left column, one with Data on the end
Firstly, launch the Disk Utility application on your Mac and make sure the external device is connected to it. Step 2. Now, select the external device from the sidebar and click on the Erase button. As the following pop-up would be launched, go to its Security Options Now erase the disk normally, using the standard erase option. This deletes the FileVault key. The SSD now contains only unreadable, encrypted garbage. You may wish to install some version of macOS.. Most users use Disk Utility to erase a disk or hard drive. But some Mac users might need to erase them from the command line on Mac OS. To do that, the only thing you need is a bit of precise syntax to make sure that you are erasing the proper disk
You can erase all data from a macOS device, including the operating system. The device will also be removed from Intune management. No warning will be given to the end user. In the Microsoft Endpoint Manager admin center, choose Devices > All devices > choose the device you want to erase Select the disk to erase. To erase everything on your Mac, you usually should choose the main hard drive named Macintosh HD. If the Mac is running High Sierra or later, Disk Utility will show all the Macs linked with your Apple ID under Macintosh HD. So be careful not to delete the drive of other Macs. Click Erase. Then you need to enter name and format of the drive Step 7: Erase Mac hard drive. If you plan to sell or give away your Mac, you need to erase your Mac's startup disk. The startup disk is built-into your MacBook. Its default name is Macintosh HD. Start up your Mac and press Command-R until you see an Apple logo. Choose Disk Utility in the utilities window. Click the Continue button
To erase a disk from the command line on the Mac, we'll use the familiar diskutil command with the eraseDisk verb and other appropriate flags to specify options for how we want to erase the disk, and to identify which disk is to be erased. The basic syntax for erasing a disk from the command line in macOS is as follows To erase your hard drive, select 'View All'. Then select the first drive in the list. If you don't have a name for your drive, you can leave it as 'Untitled' which is what I did on a call with Apple's tech support. This image comes from Apple's support pages (https://support.apple.com/en-us/HT208496)
Active@ KillDisk for Mac is an easy-to use & compact freeware utility that allows to sanitize attached media storage with the 24 international data sanitizing standards.It permanently erases all data on Hard Disks, Solid State Drives, Memory Cards & USB drives, SCSI storage & RAID disk arrays. Freeware version installation package (dmg) includes executable, being able to run on iMac, MacBook. Avoid the Mac-only Apple Partition Map (APM) scheme. Click the Erase button when you're done and Disk Utility will format your disk with the settings you specified. This will erase all the files on the drive! You're now done-be sure to eject the disk before you remove it from your Mac This will be the main internal drive on your Mac. It's usually called Apple HHD or Apple SSD or something similar. Click the Erase button at the top of the Disk Utility window. If your Mac uses HFS+, select Mac OS Extended (Journaled) from the format list How to erase a partition on your Mac Make sure to restart your computer in your main partition to erase additional ones. Open Finder from your dock Securely erase files in Mac OS X. by Erik Eckel in Apple in the Enterprise , in Enterprise Software on June 1, 2011, 5:00 AM PST Erik Eckel covers the options for those who need to securely erase.
How to Securely Erase a Solid State Drive on Mac OS X. By. Andy Orin. 5/23/14 1:30PM. Comments . Does your computer have a solid-state drive? All new Apple laptops come with SSDs, and you better. Select the Internal storage disk in the left-hand menu. It will be called Apple SSD on recent Macs. Click on the Erase button at the top of the Disk Utility, this brings up our disk formatting options. MacintoshHD is the default disk name in macOS, disk format required is Mac OS Extended (Journaled), and the Scheme is GUID Partition Map Step 4: Reinstall Mac OS X without Losing Data. When you get the macOS utility window on the screen, you can just click on the Reinstall macOS option to proceed. Afterward, you simply need to follow this basic drill to reinstall macOS on your system. A confirmation message will appear, informing you about the reinstallation details
It turns out that old laptop only support MBR and not GPT boot record and FAT32 instead of EX-FAT. I have to then delete the partition table from GPT to MBR and load LUBUNTU Linux distribution into the flash drive using Unetbootin. Commands. To erase and format your USB flash drive into MBR and FAT32 use the following code snippet belo Erasing a macOS device How to erase all data on a Kandji enrolled Mac. When a device is erased via Kandji all data, including the operating system, will be erased from the Mac. After the erase has completed the Mac will display a lock screen. Once the PIN code (provided by Kandji) is entered, the Mac will display a question mark BitRaser File Eraser (Mac) allows you to securely erase data such as files, folders, application/system traces, internet activities, and unused storage space from selected Mac drives and systems. The software implements international data erasure standards, leaving no chance of data recovery even with the help of sophisticated data recovery. You can wipe your Mac computer — or, in other words, factory reset it — through the macOS Utilities menu. This is a good plan if your Mac is malfunctioning, or you're looking to sell it Erase and factory-reset your Mac; Do a fresh install of macOS operating system using bootable drive; My experience on going through the process; How to Erase and Factory Reset Your Mac. If your Mac is showing its age or having problems, and you have tried all the troubleshooting methods, the final step is to reset it to its original state
Wipe your startup disk, and reinstall macOS The idea of wiping everything off your Mac might sound daunting, but if you know what you're doing, it shouldn't be too difficult. This guide will walk you through the process — whether you want to reset a MacBook Pro, a Macbook Air, an iMac, or a Mac Mini Thus now: you are able to securely uninstall and delete your data from your Mac and then reinstall the OS again. If you watch different tutorial videos then it would help you even more and you can follow them step by step. So, now: if you were typing in how to delete data and reinstall the OS in then this is how you do it. Conclusion
Click the Erase button in the toolbar, then choose another name if desired and format the disk as APFS. Click Erase Volume Group. Enter your Apple ID if prompted to do so. Click Erase Mac. Most Secure: This secure erase option erases the catalog entry and performs a seven-pass write over all data locations. This method meets the DoD 5220.22 M standard for securely erasing magnetic media. Note: OS X Snow Leopard and earlier also offered a 35-pass secure erase option that is quite excessive, and takes a very, very long time to perform Active@ KillDisk for Mac is an easy-to use & compact freeware utility that allows to sanitize attached media storage with the 24 international data sanitizing standards.It permanently erases all data on Hard Disks, Solid State Drives, Memory Cards & USB drives, SCSI storage & RAID disk arrays. Freeware version installation package (dmg) includes executable, being able to run on iMac, MacBook. Erasing and reinstalling a clean macOS is now a common workflow for reprovisioning Macs for different users, purposes or simply starting over. This feature was introduced in Apple's macOS High Sierra 10.13.4 installer and has evolved with Mojave, Catalina and now Big Sur To clear all personal data from a Mac before selling it, you must first reformat the Mac using macOS Recovery Mode and then install a copy of the latest version of macOS. Here's a simple guide that explains how to format the Macintosh HD using macOS Recovery Mode. Click on the Apple Logo at the top left of your screen and then click on Restart
You can delete files that are hidden in the Finder. These files, which can contain settings for certain apps or parts of macOS, contain a dot (.) before their names and the Finder doesn't show them Connect it to your Mac and start creating a bootable USB installer. First, you'll need to erase everything from your drive: Access Disk Utility on your Mac; Select your drive from the list of internal drives and click Erase; Set the format to Mac OS Extended; Confirm that you want to erase the drive . The command line approach to disk erasure in macOS is a bit different and it requires precise syntax to insure that you are erasing the proper disk, making this method of erasing any disk only.
Delete Immediately is a feature introduced by Apple with OS X (macOS) 10.11 El Capitan that bypasses the trash when you delete a file. It's much faster than Move to Trash as you simply highlight. Here's how to delete all iMessages on Mac: In Messages, click on the conversation you want to delete. Go File Delete Conversation from the menu bar. Alternatively, you can right-click on the conversation on the left side and select Delete Conversation from there. A third option is to highlight the conversation and then simply hit.
During installation, the macOS installer decides whether to automatically convert to APFS—without erasing your files: macOS Mojave: The installer converts from Mac OS Extended to APFS. macOS High Sierra: The installer converts from Mac OS Extended to APFS only if the volume is on an SSD or other all-flash storage device From the macOS Recovery / Utilities screen, choose Disk Utility from the options. In Disk Utility, select Macintosh HD (or whatever the name of the drive to erase and clean install Big Sur onto is), then click the Erase button from the toolbar. Choose Macintosh HD as the disk name (or pick another if you're so inclined. However, Apple removed the secure erase features in OS X 10.11 El Capitan because new Macs contained SSDs by default. When you store a file on a regular spinning hard disk (an HDD), it occupies a. In other words, before macOS turns off all power to the system's RAM, it makes an image of the system's current state, writes it to disk, and uses the sleepimage file that it creates to restore the system to the same state that the user left it in. This way your work is saved if, for some reason, the Mac completely runs out of power
macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu , which is also available in macOS Recovery . most of the time easy but useful when need and you can't remind the command you have to use to add a static route in a Mac OS X installation. Open fist the terminal session. Use the following command: sudo route -n add x.x.x.x/24 x.x.x. With Mac OS 11.0.1 here are the steps I used to successfully Erase my M1 Mac and reinstall the baseline OS: 1: Shut down your M1 Mac. 2: Press and hold the power button down to enter recovery mode. 3: Click the Options Gear-cog icon and then press the Continue button that appears below it If you do need to remove a kext, you can use Terminal to delete it without much trouble. And if you need to install a kext, use KextBeast to simplify the process. When it comes to macOS maintenance, something else you might occasionally need help with is deleting files that won't delete the usual way
Delete Cache Files on Mac. In typical situations, you do not need to worry much about cache. macOS handles them smartly. But if you are too low on storage or believe in having the cache of unused/uninstalled apps, here is how to delete them. Note: Caches are there to make your Mac experience better and faster. Make sure you remove only the. Run a scan to check for the presence of malware. Delete any malicious software detected using your antivirus and delete all related files. Disable your security software after running the scan because it might prevent the processes from pushing through. Declutter your system by cleaning up your computer with a Mac cleaning tool. This should fix. To erase just the OS X partition leaving others like Bootcamp etc. Select the indented name of the OS X partition instead, however it will not cure problems in the hidden EFI or GUID partition table. Do not do if your reverting to Snow Leopard from a later OS X verison, because 10.7 and later OS X verisons alter the GUID and add a Recovery HD.
Use a USB installer with Big Sur 11.2 to reinstall macOS. Enter macOS recovery. If you have FileVault 2 enabled, click the Recovery Assistant menu and then select Erase Mac. If you don't have FileVault 2 Enabled or have already erased the drive, click utilities from the top menu bar and then click Terminal. Enter in the command. Then, you need to first choose the startup disk to delete your OS X installation, click on Erase tab at the top, select Mac OS Extended (Journaled) as the partition format in the drop-down. .13 High Sierra and later, while the older Mac OS Extended file system is available for older versions of macOS. You can still use either file system for your hard drives and attached storage devices, with both having their own pros and cons The Other category in the About This Mac window may sometimes be big. However, this isn't always a problem. But if you're running low on storage space on your Mac, there are ways to fix the Other category from taking up so much space. Here is how: How to remove other data in macOS and OS X Easy steps to delete other dat
The user Library folder is hidden by default in Mac OS X 10.7 and later releases. To access files in the hidden library folder, see How to access hidden user library files. Drag the application PLIST file, located in the Users/ [User] /Library/Preferences folder, to Trash Summary: To make your Mac run more effectively, it's necessary to clear caches in macOS Big Sur regularly. You can try the methods to clear cache data manually. Also, we will introduce the best cache cleaner for macOS Big Sur to clear cache data automatically and easily.. Cache data on Mac means the temporary data that produced by system, applications which can help reduce internet-data. This technique can also delete files you wouldn't normally be able to delete - and sometimes Apple has a very good reason for protecting certain files! Force-delete is a useful technique but should be used with caution. To force-delete a file, open your Mac's Terminal The different versions of Adobe applications create font caches with various names in several locations. Rather than exhaustively list the possible names and locations for Adobe font caches, it is simpler to use the Find feature of the Mac OS X Finder to locate these files for you, then delete them I want to clear all the text that is on the screen. I have tried using: #include <stdlib.h> sys(clr); Thanks in advance! I'm using OS X 10.6.8. Sorry for the confusion
Here is how to add or delete a static route on macOS. As you see below, I received the 192.168.2./23 route from the VPN, and it routes through the tunnel interface, utun3. First, disconnect the VPN and add a static route as described below The macOS Recovery screen presents you with a few different options, including an option to reinstall macOS. But first, if you need to erase your Mac, now is the time to do so: click Disk Utility and erase the Macintosh HD - Data partition of your startup drive When Mac OS is running slow, it's better to reinstall the system again instead of carefully cleaning up files; if you want to donate Mac hard drive, or give it to family members using Windows system, you can wipe it and format the hard drive to NTFS or FAT32 in Windows disk manager.. Macrorit Data Wiper is able to wipe Mac Hard Drive with HFS plus file system clean, after wiped in data Wiper. Clear DNS Cache in Older macOS versions. If you are using an older version of macOS, then here are the commands for those. To clear DNS cache on macOS Yosemite, enter the following syntax: sudo discoveryutil udnsflushcaches. To clear DNS cache on macOS Lion, Mountain Lion, and Mavericks, enter the following syntax: sudo killall -HUP mDNSResponde In Catalina, Mac HD is a protected volume containing only the active Mac operating system. Mac HD - Data is a separate volume containing everything else—apps and User folders. You delete Mac HD - Data first because the Mac needs the Mac HD volume to continue working
Securely Erase MacBook Internal Drives If you want to securely erase the internal drive of a MacBook before you sell or trash it, you'll have to (a) boot Disk Utility from a Mac OS X Installation DVD for versions up to and including 10.6 or (b) boot the utility from the OS X Recovery Partition AppCleaner is a small application which allows you to thoroughly uninstall unwanted apps.. Installing an application distributes many files throughout your System using space of your Hard Drive unnecessarily. AppCleaner finds all these small files and safely deletes them Example for Mac OS X security delete-certificate -c <name>? Ask Question Asked 8 years, 4 months ago. Active 8 years, 1 month ago. Viewed 14k times 5 2. Short version: Please. Click the popup menu next to Format and set the drive format to Mac OS Extended. Click Erase to wipe the drive clean using the above parameters. Click Done after the disk has been successfully formatted. Now open Terminal, which is in the Utilities folder of your Applications folder How To: Securely erase files on a Mac How To: Format HD for Mac OS X How To: Change the default screenshot file format on a Mac OS X computer How To: Print File Lists in Mac OS Leopard How To: Format a drive for both Mac OS X and Microsoft Window
Step 4: Delete App Temp files macOS provides some temp folder to store application temp files in ~/private/var, but macOS will automatically clean them up on time, they do not need to be manually deleted. Some temporary files, such as Saved Application State, we can manually delete them. Step 5: Delete iOS Cache file Woot I installed the Ubuntu Mac version and it automatically did everything for me. Just erase hard drive, install and boot into Ubuntu. I tried your guide with Ubuntu 14.10 though, and failed at the step getting the PPA for mactel-boot because it does not have 14.10 package yet. - Amumu Nov 20 '14 at 17:2 How to Clear Cache on a Mac. So without further ado, here's how to clear the system cache, user cache, and browser cache on Mac: 1. Clear System Cache and User Cache on Mac. System and user caches are the temporary files that allow you to use your macOS every day. For example, the data is stored in the device cache file when you play a game. If you delete your swapfiles, you might cause your system to crash, as it's possible that your Mac is using one of them right as you delete it. The same goes for whether you should disable the ability for your Mac to use swapfiles in the first place - the best result is that you won't notice a difference, and it's more likely to make.
Click on Erase and it'll confirm that's what you really want to do: Again, click on Erase and, finally, it'll go ahead and wipe all the information on the disk. It takes about five minutes to accomplish this task and when it's done, the next thing you'll see is the Mac message that you've put in a blank, empty disk Remove a device. Follow these steps to remove a device you no longer need for work or school. Sign in to Company Portal for macOS. Go to Devices and select the device you want to unenroll. From the app toolbar, select the Devices menu > Remove. When asked to confirm the removal, select Remove. The device is immediately removed from Intune We pass the -R option to the ssh-keygen command to remove all keys belonging to the specified hostname (with optional port number) from a known_hosts file. This option is useful to delete hashed hosts. We have ~/.ssh/known_hosts file which contains a list of host keys for all hosts the user has logged into that are not already in the systemwide list of known host keys Remove or delete an email account from Outlook for Windows Delete an email account from Outlook on the web Delete an account from Mail and Calendar apps (Windows 10