any red crosses next to a device name? if so this means that it is dissabled. right click it and choose enable. also, check the bios menue. to do this you have to re-boot the pc and hold down the delete key untill you see a blue menue scree. you are looking for onboard peripherals or a name to that effect. see if the board has any modem settings i.e auto/enable/dissable. set any sub menue setting to auto that applies and save changes and exit. certain motherboards have different settings, so a list of your hardwear would be nice.