| If your Mac OS X computer does not boot up | | | | reach to login screen, or may load the login screen |
| normally, you may have to use disk repair tool to | | | | but cannot load Desktop after login. |
| work around the problem. Mac OS X operating | | | | When you Mac computer demonstrates either of the |
| system includes two programs for this purpose- fsck | | | | above problems, there are some resolutions that you |
| (command-line tool) and Disk Utility. These programs | | | | can try out to get your computer boot up properly |
| can be used to check the integrity and consistency | | | | again. |
| of your Mac hard drive and file system, even if your | | | | Boot in Safe Mode- Start your system in Safe Mode |
| system boots up normally. However, in some cases, | | | | that includes automatic hard drive check and repair. |
| these utilities cannot fix the severe file system | | | | After booting the system in Safe Mode, reboot it |
| corruption issues and your system remains | | | | again normally. |
| unbootable. This behavior leads to significant data loss | | | | Use Disk Utility- If the above method does not work, |
| and you need Mac Data Recovery to fix it up. | | | | you need to run Disk Utility to detect and fix file |
| Under some circumstances, file system corruption or | | | | system errors. Run fsck- If the problem persists, run |
| errors can render your system unbootable. This | | | | fsck command-line tool at command prompt.When |
| problem can take place after forced reboot, improper | | | | none of the above methods can solve your issue, |
| system shut down, or power outage. You must use | | | | hard drive formatting and operating system |
| disk repair tool, if your Mac OS X system displays | | | | reinstallation is the last resort. However, it removes all |
| any of the below symptoms at startup: | | | | data from hard drive and puts you in need of Mac |
| You computer boots up partially but then shows | | | | Data Recovery. |
| command line in text-only environment. At the same | | | | You can perform Data Recovery Mac in a quick and |
| time, you may also see an error message like- | | | | easy way using third-party Mac File Recovery |
| “File system dirty, run fsck.” Under the error | | | | Software. The applications employ powerful scanning |
| message, you see the command-line prompt, which | | | | techniques, to ensure absolute recovery. They are |
| enables you to run fsck command. | | | | quite safe and easy to use with read-only demeanor |
| Your computer boots up however, either it does not | | | | and self-explanatory user interface. |