Please help. I have a Dell Inspiron N5110 laptop. The two USB ports on I/O board (top right and back right ports) aren't recognizing any USB devices. I'm plugging in USB 2.0 flash drives and neither SS USB 3.0 port will 'see' the drives. The speaker output on this board works fine with my headphones. I read some other posts and saw that I should go to device manager and here's what I see:(should there be something saying usb 3.0...?) window 8.1
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