When you get to Installer's screen, go up to the menu bar and run Disk Utility from the Utilities menu. Insert disc in optical drive and start up with the C key held down.
MACBOOK PRO DISK UTILITY STARTUP MAC OS X
So that probably means the hard drive in question is the internal drive? If you don't know for sure that the hard drive is physically broken, you can try starting up using your Mac OS X installation disc. 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. 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. 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.
MACBOOK PRO DISK UTILITY STARTUP SOFTWARE
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) The index files on your drive are corrupt.
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