OK so my macBook (every 6 moths or so) will stop tuning on all the way. It will say starting OS X and do the loading bar thing but than on the Blue screen that usually only lasts a second it stops and wont go anywhere. It has a mouse (and it works). So i have to reinstall OS X and it works for 6 moths or so and than it does it agin. Has anyone had this problem or is it just me. Is there anything I can do or do i just have to reinstall the OS every 6 months. SOMEONE PLEASE HELP ME!!!!!!!!!!!!!!