You can learn how to restore your Macbook Pro.We'll walk you through exactly what you need to do to get your computer back to the factory settings.If things don't seem to be working the way they should, we've included some tips on how to fix it.To get started, check out the steps below.
Step 1: If you want to save any files, back them up.
All data from your computer's hard drive will be wiped and erased when you restore your Macbook Pro.
Step 2: Plug your Macbook into a power source.
This will prevent your computer from shutting down.
Step 3: Wait for the Apple startup sound when you power on your Macbook Pro.
Step 4: Command + R should be held immediately after hearing the startup sound.
Step 5: When the Apple logo is displayed, release the Command + R keys.
You will be prompted to choose your internet connection type.
Step 6: From the options provided, choose your Internet connection type.
The latest updates from Apple are required for OS X to be reinstalled.After your Macbook connects to the internet, the Recovery menu will appear on-screen.
Step 7: Go to the Recovery menu and select theDisk Utility.
Step 8: The name of your Macbook's startup disk can be found in the left pane of the Disk Utility window.
The Macbook Pro has a default startup disk.
Step 9: Select "Mac OS Extended (Journaled)" from the menu next to "Format" if you click on the "Erase" tab.
Step 10: Click on the button at the bottom of the window to erase your disk.
This will tell your Macbook Pro to uninstall the startup disk in order to install OS X.
Step 11: You can uninstall OS X from the Recovery menu.
Step 12: Select "continue" and follow Apple's instructions to finish installing OS X.
The Macbook Pro will be restored to factory settings when the process is complete.
Step 13: Don't interrupt your Macbook Pro's reinstallation of OS X.
Depending on your internet speed, your computer may take up to several hours to uninstall OS X.If the progress bar doesn't progress after an hour, you can either quit the installation or restart the process.
Step 14: If OS X is unable to install or start up your computer, try resizing your hard drive or partition.
Problems associated with OS X can often be solved by this step.Go to Disk Utility and restart your Macbook Pro.You can restore the disk by selecting it from the left column of Disk Utility.Click and drag the corner of the partition to make it smaller.Follow the steps outlined in Part One of this article to install OS X.
Step 15: If your Macbook Pro displays a message that says "An error occurred while preparing the install", you should use Terminal to fix the time and date.
The reinstallation of OS X can be affected by inconsistencies with time and date.The Recovery menu can be accessed from steps 3 and 4.Click on "continue" when a dialog tells you to verify eligibility with Apple, then click "OK" from the menu bar.The source of your error is the incorrect date displayed on-screen.The format MMDDHHMMYYYY (Month, Date, Hour, Minute, Year) is used to indicate the correct date.Follow the steps outlined in Part One to uninstall OS X.