driver problem for my compaq presario V 3424 AU laptop

hi all. two months ago i bought a V 3424 AU laptop and it came with vista home basic which only sucked. so i thot to change to XP. so i formatted it and installed XP. without any service pack. now after that many things are showing not working and when i try to install sound driver it gives error "no media device found" . also my broadcom wifi is also not working .....kinldy help from where to get the exact drivers which will run my lappy ....

shall i install windows XP SP@ and check..???/

reply plzzzzzzz
and i will really be thankfull to this large community..

help me