I am selling my computer on ebay. I have just sold it and was prepared to wipe it, but something went wrong... I tried to start my computer from my osx install disc but I could not because it kept ejecting as I held down C. So then I tried to remove my files from disc utility but I could not. As my final effort I removed all my files under my hard drive (users/apps/library/etc..) and it would not let me empty my trash. My internet started to fail so I restarted my computer. Now when I launch my macbook it shows this , goes to the DO NOT ENTER sign (the O with a dash) and then shows a picture of a folder and it repeats. How do I fix this? I don't need to get my files back so thats not an issue. If I take it to apple will they get mad at me? HELP PLEASE!!!!