After Messing up GRUB: CB Boots but No Keyboard, No Touchpad

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http://crunchbang.org – Hello!i was trying new distros and one of them messed up my grub so i couldn't boot anything else anymore. (it was antix, fwiw)after shooting in the dark (=trying to solve the problem without really knowing what i'm doing) for a while, i did manage to restore grub, and i can boot into all 3 distros currently installed. i can boot into cb, too, but neither keyboard nor touchpad or usb mouse are working. the desktop comes up normally and conky is monitoring the system and everything seems to be working otherwise, but i just can't do anything. also ctrl+alt+F1 has no effect.at some (HowTos)