I have an acer aspire 5100 but my keyboard and mouse are no longer working. and my laptop doesn't recognized any peripheral device connected to it. So i need help. the problem is from the bios level and i don't know what to do
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i had the same problem. apart from keyboard and mousepad, all usb weren't working at all... except the pcmcia slot. so i bought a pcmcia usb card and plugged in the usb mouse and keyboard in those slots. it works! at least on my aspire 5100
first thing you want to try and find out if this is a hardware or software problem. Try connecting an external keyboard and mouse (USB if you don't have mouse and keyboard ports)...then go into the device manager (On XP its control panel, system, hardware tab, device manager)...and see if your laptop keyboard and mouse is registered there. If so then uninstall them and reboot...there is a slight chance that they will reinstall and work, but may be more complicated than this. If they do not show in the device manager, then there is most likely a hardware failure and they may need to be replaced or check the connection.