B.6. Fixing the Disk

. Fixing the Disk The beauty of Mac OS X's design is that the operating system itself is frozen in its perfect, pristine state, impervious to conflicting system extensions, clueless Mac users, and other sources of disaster. | . Fixing the Disk The beauty of Mac OS X s design is that the operating system itself is frozen in its perfect pristine state impervious to conflicting system extensions clueless Mac users and other sources of disaster. That s the theory anyway. But what happens if something goes wrong with the complex software that operates the hard drive itself Fortunately Mac OS X comes with its own disk-repair program. In the familiar Mac universe of icons and menus it takes the form of a program in Applications Utilities called Disk Utility. In the barren world of Terminal and the command line interface there s a utility that works just as well but bears a different name fsck for file system check . In any case running Disk Utility or its alter egofsckis a powerful and useful troubleshooting tool that can cure all kinds of strange ills including these problems among others Your Mac freezes during startup either before or after the Login screen. The startup process interrupts itself with the appearance of the text-only command line. You get the applications showing up as folders problem. . Method 1 Disk Utility The easiest way to check your disk is to use the Disk Utility program. Use this method if your Mac can indeed start up. See Method 2 if you can t even get that far. Disk Utility can t fix the disk it son except for permissions repairs described at the beginning of this appendix .That s why you have to restart the computer from the Leopard installation disc or another startup disk and run Disk Utility from there. The process goes like this 1. Start up the Mac from the Leopard DVD. The best way to do that is to insert the disc and then restart the Mac while holding down the C key. You wind up after some time at the Mac OS X Installer screen. Don t be fooled installing Mac OS X isnotwhat you want to do here. Don t click Continue 2. Choose Utilities Disk Utility. That s the unexpected step. After a moment the Disk Utility screen appears. Tip You could also skip steps

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