hardwear won't load
hi, i hope this is in the right place.
i have a dell dimension pc. it was running fine for accepting new hardwear. however, since march i have tried to get my samsung phone running with the comp but it won't. at first i thought it was a problem with the phone. it will load softwear from disks but not the hardwear itself. since then i have bought a new mp3 player and a bluetooth dongle. it won't take either of them.
the wizzard sees that the softwear is there, runs through the setup, then says that there was a problem due to invalid data. it does this everytime! i have used the same usb port with stuff like my camera which were put on before march. i have also used the same cables with other stuff with no problems. the mp3 player works fine on a friends laptop.
i thought that reloading windows xp may work but i can't find the original disk. so i have tried to do a system restore but it only goes as far back as july so no good.
please can someone help me?