"Clear Free Space" not only writes clean tracks/sectors, but also tests and maps out bad clusters (that's why the drive becomes unusable if the routine FAILS before completion. This task is the only way to make sure that the newly manufactured drive is cleanly formatted and that all the media actually works (hard errors are trapped out by "Clear Free Space"). One only does this on a clean drive, newly formatted, and only on a drive you have recently bought new. ![]() Firstly, it is NEVER a good idea to "clear free space" on a drive with an existing system (anybody that says otherwise, is opening your system for obscure system or media errors that cannot be easily solved, better to stay away from it altogether, except to setup a new drive). Now let's see if we can fix this without getting really depressing !ฤก). If your problem is hardware related, you are toast. Sometimes it is bad media on the Boot-drive, sometimes it is bad software in the OSX, and sometimes it is hardware related. ![]() I am presently the only Macintosh Technician in my town, and I've seen your kind of problem before. I've been doing computing since 1971, and my first decent personal computing ownership experience started with Microware OS9 (a UNIX clone) on a Radio Shack Color Computer 3. ![]() Signed in specifically to reply to your problem, Psykamaholik.
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