Miniguide to fixing Volume-Filesystem errors

There are many drive/filesystem errors that can occur on a Mac. Here are some common symptoms that are indicative of some of them:


Not able to boot the system: You tried to boot. Apple logo appeared, and wheel spun for about 15-20 seconds, then machine turned off. This repeated every time you tried to boot the system. (REASON: The system does not find your HD and thus the OS to boot).

Everything seems to work fine till your system hangs briefly and in an unpredictable way. You wait for a while, and the system magically comes back to normal. But after another while, the same thing re-occurs! (This cycle repeats in the current session).

You can do these simple things to check for other possible causes:

• Run Activity Monitor to see that this is NOT due to temporarily high CPU and/or Memory usage.
• Check the system log using Console.app or running tail -f /var/log/system.log in Terminal. If your system is having some I/O error th ...

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