Reinstall Mac OS X Without Recovery Mode | Mac Doesn't Boot Normally

That is exactly what I'm trying to tell you.

Maybe you were just confused at how I wrote it.

Or you're not confused at all.

I tried to rephrase the sentences but can't edit.

How did you install the OS X Mountain Lion?

Did you install the OS X like how it's done on the link Esquared gave me?

Will erasing the disk unlock it?

If so, can I unlock it without erasing?

Then after unlocking, I will reinstall the OS X.