well here's the thing . . i have a toshiba external hdd 320 gb usb 2 !!! and i connected it to a windows xp sp2 ... on a hp pavillion dv5000 laptop . .. (pretty good computer) here's wt has been happening recently .. i connected the harddisc to the laptop and the usb icon says to me : this driver can work faster and stuff.....and the copying speed from the computer to the harddisc is pretty low.. . !!!!!! i don't remember that i was havin this problem be4. . . and i tried connecting the hdd on other computers.. . it works just fine !! i copied 3.7 gb to it in just 4 mins !!! so i thought it's my computer . . but i connected an another 300 gb harddisc to my laptop and it worked extremely well . . . i mean it copied the same 3.7 gb in 4 mins !! oh .. and i forgot to say that it takes about 3 mins to recognize it completely and open files.. . and it sometimes blocks the computer for 2 mins.. . and sometimes.. disables the wifi device which is connected through the usb ! so i have know idea wt's wrong. . i went to hp to c if there were any updates for my hp usb . . and i updated ...but stilll the same problem . .. !! any idea anyone ? ?!!! plz help. me if possible !!!!!