Hmm... This is slightly annoying. My Snow Leopard partition has failed me (again). So here's my problem: SNow leopard hangs on boot. I've heard a lot of stuff about what to do... yes, I've reset the pram/nvram, yes, I've done FSCK, yes Ive reset the SMC. It still hangs on the grey screen. I've checked the ram. I've checked the harddrive. In fact, I replaced the harddrive like 6 months ago. I've tried reinstalling snow leopard, I've tried formating the drive with the "secure options" at 7 I think. I've done things like "repair disk" using the snow leopard disk, and I did try to repair disk permissions. It says the 'the volume ____ is ok'. I'm at a loss. My applecare ran out a couple months back. I've reinstalled countless times. And since I need to use my macbook on a daily basis, I've installed leopard on a separate partition, and my SL partition still exists. I can access it from leopard... And as a side-note, my leopard partition works like a beauty. It boots fine, it runs fine, I just need sl support for some of the apps I'm using... btw, it reads "I/O error" whenever I type "exit" after running fsck -f... Is there anyway to fix my sl? please? help? someone???