usb 2.0 ports..aagghhh!!!!!!!!

[demon designs]

ok, im pulling my hair. i have 4 ports on the back of the pc and 2 at the front. i have power to them as ther are powering the ipos and tablet. but computer is not reconising them.
i've unistalled them, restarted and the pc picks them up, but not the items that are pluged in.
i even did a full distuctive wipe and reloaded windows and all othere apps...still nothing...tried to do bios update (msi) but cant get it to download..any ideas guys any help would most greatfull.

the man with no hair left,,,

[PSDavinci]

Are you running Windows Vista?

[demon designs]

no, xp....

[GTR]

try updateing your motherboard if you havent tried that

[demon designs]

ta, sorted now..had to have new motherboard in the end.....was fried.