- MACBOOK PRO REFORMAT HARD DRIVE AND REINSTALL OS X HOW TO
- MACBOOK PRO REFORMAT HARD DRIVE AND REINSTALL OS X INSTALL
- MACBOOK PRO REFORMAT HARD DRIVE AND REINSTALL OS X PRO
The cost of such services is usually high. (I always saw their booth at MacWorld Expos.) If the drive is definitely broken, there are businesses that specialize in recovering data from bad hard drives.
MACBOOK PRO REFORMAT HARD DRIVE AND REINSTALL OS X PRO
If it doesn't succeed, then you need to get a new drive.which typically costs about 2/3rds the price of TechTool Pro or Disk Warrior.ĭo you mean the hard drive is mechanically broken for sure? It's not a data corruption issue that is causing a problem with starting up the Mac, but maybe not be a bad mechanism? If it succeeds, then you can restore the OS and backups.this approach, of course, assumes you've been making backups. If the damage is too extensive this operation will fail and it's essentially telling you that the drive needs replacement. Doing this will force the drive to remap bad sectors to spare sectors if there are any.
![macbook pro reformat hard drive and reinstall os x macbook pro reformat hard drive and reinstall os x](https://img.gadgethacks.com/img/86/80/63538310232881/0/reformat-mac-os-x-without-recovery-disc-drive.w1456.jpg)
What I would do is forget the re-creation of the index files and reformat the drive with the security option set to write a single pass of zeros over the entire drive. In that case neither tool would help you recover because they can't recover data that can't be read. If your drive has had problems, like a head crash, there may be a lot of bad sectors on the drive. Bugs in software or bad shutdowns can cause index files to become corrupt, but so can bad drive sectors. The problems with both of those approaches are that a) they're expensive with both costing $100 and b) when you get done, you might find that your hard drive is bad, too. Disk Warrior may be able to fix them, TechTool Pro claims it can fix them (my own experiences with TTP are not favorable)
MACBOOK PRO REFORMAT HARD DRIVE AND REINSTALL OS X HOW TO
Select the USB drive to boot.įor detailed instructions, refer to the Use Startup Manager section in the Apple Support article, How to select a different startup disk.The index files on your drive are corrupt.
![macbook pro reformat hard drive and reinstall os x macbook pro reformat hard drive and reinstall os x](https://help.apple.com/assets/61565534F571CF1D562260BD/61565537F571CF1D562260C5/en_US/4cdf84c3fd105533ae262acade9e504e.png)
You'll be prompted to select the boot media. To boot from the USB, simply restart your MacBook Pro with the installer USB drive plugged-in, and press & hold the Option key.
MACBOOK PRO REFORMAT HARD DRIVE AND REINSTALL OS X INSTALL
Once booted, simply start Disk utility, erase the hard drive and perform fresh install of OS X El Capitan 10.11 on it. Once you have the bootable installer handy, simply leave the hard disk into machine A, plug-in the bootable USB installer, and boot off it. You simply need a bootable (USB) installer for OS X El Capitan 10.11. You need not remove the hard drive from machine A or connect machine A to machine B to do this. Restart into recovery mode, delete the current installation and reinstall the operating system for the same result: Ĭan I re-format OS X drive without removing it from my MacBook Pro? Depending on the origin of the USB stick, it might even be a bad idea to use it at all.
![macbook pro reformat hard drive and reinstall os x macbook pro reformat hard drive and reinstall os x](https://cdn.osxdaily.com/wp-content/uploads/2015/10/5-erase-target-volume-mac.jpg)
There is no need for the USB stick, you can do a clean install from the recovery partition if it's available. Note: you are operating (using OS X) from the USB To boot using the USB, restart your MacBook and press and hold the Option key and Select the USB drive to boot. Using Disk Utilities in the Tools menu, you can reformat the hard drive as part of the installation process. You don’t need to remove the HDD and no need for second Mac.īoot the MacBook Pro from the USB stick (that you made with OS X El Capitan 10.11)