How to factory reset a Mac. If you are selling or donating your old Mac, be sure to secure your data and properly set it up for the new owners. To reinstall the original version of OS X if. I installed Yosemite, and I would like to reset it to default settings and apps. I don't want to downgrade to Mavericks. Is there any other way than installing clean Mavericks and then upgrade back. Today, We are going to share how to reset the Safari web browser in OS X Yosemite. We usually used reset button to rest Safari web browser, but the reset button is no longer available on new version of Safari web browser after upgrading to Yosemite. The OS X Utilities window appears. Select Reinstall OS X, and click Continue. The OS X Yosemite splash screen appears. A sheet appears informing you that your computer’s eligibility needs to be verified by Apple. Click Continue to begin the process of installing or reinstalling OS X. SCardBeginTransaction does not corectly detect card reset any more on OS X 10.10 Yosemite. If a card has been reseted using another PC/SC context then SCardBeginTransaction will not fail with 0x80100068 (for SCARDWRESETCARD) as before but will succeed instead. The problem will be detected later by, for example, the next SCardTransmit returning SCARDWRESETCARD.

by Shirly Chen, updated on 2016-10-06 to Mac Data Wipe

Data Erasure for Mac OS X 10.10 Yosemite

When we plan to permanently delete some files on our 10.10 Yosemite Mac computers, we should find the reliable data erasure solution for Mac OS X 10.10 Yosemite. The files will not be permanently lost after deletion, emptying the trash bin or formatting the Mac hard drive. Data erasure is critical. If we can’t find the reliable solution to erase our sensitive data before selling old Mac computers, it is very dangerous. The cyber criminals can easily recover deleted/formatted data from our devices.

In previous articles, we have talk about how to permanently erase data under macOS Sierra, EI Capitan, etc. Today, we are going to show you an easy solution to permanently erase data under Mac OS X 10.10 Yosemite. If you are using a Mac with OS X 10.10 Yosemite, you can take this solution to destroy your data on your Mac, especially when you are going to resell or donate your Mac computer.

You just need a powerful Mac data erasure tool – DoYourData Super Eraser for Mac. It can help you securely erase data under Mac OS X 10.10 Yosemite without leaving any chance of data recovery. Once the data is erased by DoYourData Super Eraser for Mac, it will be completely destroyed and lost. So you can use it to permanently erase data under Mac OS X 10.10 Yosemite before you sell, donate or throw away your old Mac devices.

Three Options to Erase Data under Mac OS X 10.10 Yosemite

At some time, we only need to erase a few files or folders to destroy our sensitive information. However, in some other cases, we will need to wipe the entire hard drive to destroy all data. DoYourData Super Eraser for Mac gives comprehensive data erasure solutions to help in erasing data under Mac OS X 10.10 Yosemite. It will meet all your needs of data erasure in different situations. It offers three options to let you easily erase data under Mac OS X 10.10 Yosemite.

Option 1: Selectively erase files or folders under Mac OS X 10.10 Yosemite.

This option is designed for destroying specific files or folders on your Mac. Just add files or folders to the list, then click on 'Erase Now' to permanently destroy the selected files/folders under Mac OS X 10.10 Yosemite.


Mac Os X Yosemite Iso

Option 2: Wipe entire hard drive under Mac OS X 10.10 Yosemite.

This option 'Wipe Hard Drive' will complete erase the selected hard drive or storage media under Mac OS X 10.10 Yosemite. It will erase all the existing files and deleted/lost files on the selected hard drive. It is an irreversible process and will completely erase your data.


Option 3: Wipe deleted/lost data on your Mac.

In some cases, you have deleted your files or formatted a hard drive on your Mac. In order to prevent the deleted/formatted data from being recovered by Mac data recovery software, you can use this option to wipe the unused disk space on your Mac to permanently erase the deleted/lost data and disk traces. This option will not erase the existing data on your Mac hard drive.


Erasing data under Mac OS X 10.10 Yosemite can help you avoid data leakage. It also will boost the performance of your old Mac computers.

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Permanently and securely erase data from hard drive or external storage device under Mac OS with certified data erasure methods.

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Reset Safari Os X Yosemite

Did you forget your Mac password? Don’t panic and you don’t need to reinstall OS X. You can reset Mac password without entering your exiting password, just get into Mac OS X recovery mode and use the Terminal Utility to reset password. I have tested this method on OS X Yosemite and not sure if this will work on other OS X versions, but you can check our previous guide to reset Mac password without disc if this one does not work for you.

Reset Mac Password using Terminal

Reset

In this trick we are using Mac OS X built-in Terminal utility in recovery mode to reset password of any OS X account. Let’s see how to reset if you forgot Mac password.

Reset
  • Shutdown your iMac or Macbook, Mac mini and turn it On again and press the Command + R keys simultaneously from keyboard. Release the keys when you see Apple logo and progress bar on the screen. Now, be patient and let the Mac get into Recovery Mode.
  • Once you see the OS X Utilities window, it mean you are in recovery mode. Here, click the Utilities menu on the top and select Terminal option.
  • In the Terminal’s command line type the command resetpassword and hit Enter key to execute the command.
  • A reset password window will be opened.
    Here, select the drive containing the user account,
    Select the user account from drop-down,
    Enter and Re-enter the new password then finally hit the Save button to reset the Mac password

Os X Yosemite Factory Reset

At the bottom of the reset password window there is a Reset button that you can use to reset file permissions to default settings of selected user’s home folder.

Os X Yosemite Installer

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Voila! you have successfully reset password of your Mac.
Note: Keychain password wasn’t changed, whenever an app needs to access the default Keychain, then user may be asked to enter Keychain password if its different from the user’s login password.

Reboot your Mac and login using your new password.