i had this issue, with the trash can, i deleted files from my external hard drive, and then when i wanted to delete them from trash i had this black screen that says i must shut down the machine. i read some articles and i find out that i need to use disk drive and then try, so i did, and it didn't work. now im facing an issue that whenever i connect my external hard drive, less then a minute after i connect it without doing anything, the machine vent start to work, everything is really slow then it crashes with the same black screen. Please try to help me, im new to mac world, i loved snow leopard and the external hard drive worked just fine (still had the problem with the trash can) but now i can't even connect it. im on macbook pro i7 4 ghz... please help!