[ubuntu] USB ports don't work (Jaunty 9.04)

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http://ubuntuforums.org – Hi all! I upgraded one the PCs in my household to 9.04 a while ago and recently noticed that the USB ports doesn't work. At first I thought the issue was in my memory-stick, but then I recalled that every successful use of USB ports happens when dual-booted to Windows. So, how could I solve the issue? The specs are in the signature. (Hardware)