I have a problem with my Acer TravelMate 2420. All devices that whichever i try to connect with the help of the USB are not detected by my laptop it has some sort of mp3 reactions because lights up, but the system does not detect it. It occurs in the case (I think) no power. in the device manager shows me that I have 3 Main usb hubs. The BIOS does not see any option from the USB. What more the whole time it shows me the CPU usage at 100 %. so silting is terrible.
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