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If the Lock button at the bottom of the window shows a closed lock lock, click the lock and enter an administrator name and password. If the Sharing & Permissions section at the bottom of the window isn’t open, click the triangle in that section to open it. An Info window for your home folder opens. – From the Finder menu bar, choose Go > Home. If the issue started after changing the permissions of items in your home folder, reset permissions:

RESET OS X YOSEMITE HOW TO

This might also be useful, shows how to do it without rebooting into repair Update: This works in OS X 10.7 Lion, and 10.8 Mountain Lion, OS X 10.9 Mavericks, OS X 10.10 Yosemite, and newer. Great tip, thanks for sending this in Tony R! Notice that ‘Spotlight’ starts re-indexing immediately. When it’s done, quit the programs you’ve opened and restart your Mac. The reset process takes a couple of minutes.

At the bottom of the window, you’ll see an area labeled ‘Reset Home Directory Permissions and ACLs’.

From the drop-down below it, select the user account where you are having issues. Instead, click on the icon for your Mac’s hard drive at the top.

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The Password reset utility launches, but you’re not going to reset the password.

In the Terminal window, type “resetpassword” (without the quotes) and hit Return.

On top, in the Menu Bar click the Utilities item then select Terminal.

You will boot into the Repair Utilities screen.

Restart OS X and hold down the Command and R keys.

This tool is located inside boot Repair Utilities. In the newest versions of OS X, there is an additional Repair Permissions application utility hidden away. When you use the Disk Utility app and Repair Permissions - it doesn’t actually repair the permission settings on folders and files in your Home folder where your documents and personal applications reside. You’ll need to reboot to perform this, and then use the same resetpassword utility that is used to change passwords in OS X, but instead choosing a hidden option. If you booted from a USB disk, click “Continue” to advance to the installer.Repairing User Permissions in OS X Mavericks, Mountain Lion, etc If you booted from a functioning recovery partition, click the “Reinstall macOS” button. With your information wipe complete, you are now ready to reinstall macOS. If you choose three or five passes, you might want to leave this running overnight. If you opted to wipe your drive securely, this might take a while-30 minutes to an hour is not unreasonable for one pass. Just give your drive a name (I recommend “Macintosh HD”, just for consistency’s sake), then click “Erase” to start the overwriting process.

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You only need to write over a drive once to securely wipe it, but if you’re paranoid you can also wipe it three or five times.Ĭlick “OK” once you’ve decided, but remember: if your Mac has a solid state drive, you do not need to use these options. Now move the dial up, to randomly write data over your entire drive. You still need to wipe the drive, however, or your files will remain in place, so skip to the end of this step to do so.) (If your Mac has a solid state drive, you can skip this part: your SSD will already securely erase files thanks to TRIM. If you’re wiping a mechanical drive, click “Security Options” in the window that pops up. Click your primary drive, then click “Erase” If not you can find Disk Utility in the menu bar: click Utilities then Disk Utility. To get started, click the Disk Utility option.ĭepending on how you started Recovery Mode, you may be presented with the option to start Disk Utility right away, as seen above. We’ve shown you how to securely wipe a hard drive with your Mac, and doing so in Recovery Mode isn’t really different from doing so within macOS. If you want a truly clean installation, however, you need to first wipe your hard drive. We recommend backing up files before you do this, just in case, but otherwise you’re ready for step three.

Your user accounts and files will stay exactly where they are-only your operating system will be overwritten. If you want to re-install your operating system, but leave your files in place, you can skip this step. RELATED: 8 Mac System Features You Can Access in Recovery Mode Step Two: Securely Wipe Your Hard Drive (Optional) Once you’ve managed to open up the Recovery Mode in some fashion, we can move on to wiping your drive securely.

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You can access recovery without a partition using Network Recovery: hold Command+Shift+R while turning on your Mac and it will download the Recovery features for you. Failing that, you can create a bootable USB installer for macOS Sierra, and boot from that by holding “Option” while turning on your Mac. If neither of these options work, don’t panic! You’ve got a couple of options yet.

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