Acer Aspire 300 Touchpad and wireless are not working

I have an Acer aspire 3000 but the wireless and the touchdpad are not working, i check the drivers for the touchpad and its ok but not detected on my windows xp and for the wireless, the connection doesn't appear on my internet connections and the led for the wireless is not working.. Do you know a site were i can find a service manual for this laptopt...or Do you know how to fix this problems...Thanks