No usb port is working after i start my laptop

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http://askubuntu.com – I have an big problem. My usb-devices works if I plug them in before I start my computer. But if will plug them in after or if I plug it out and in it does not work any more. It's really annoying. If I want something from my usb-drive or want to use external mouse I have to plug it in before my computer starts. Please help. My computer: Asus ux32vd Ubuntu v. 12.10 (I have to use 12.10 because I cant get my graphic cards to work in 12.04) Have 3 usb 3 ports, none usb 2. (HowTos)