big trouble with my usb 2

[debojam 0]

hello everyone

i have a really big mass on my computer

first it's windows xp professional sp1

i have 2 hubs plug on my computer usb they both support usb 2

and until yesterdy i had no probleme with usb2 it all works just fine

on my usb hub i have 5 external hard drive

yesterday i unplug opne drive and then this started all kind of error when i install usb1 driver my computer recognize perfectly the hard drives

but in the minute that i install usb 2 my computer got craazy and tell me he doesnt recognize the hard drive

i try to unplug the battery for an hour but it doesnt help

i try to change the value of the usb again this doesnt help i even format my computer it doesnt help

 

i have two case when i install usb2 my hubs are as unknow device

 

this is when i install usb1.1

 

if someone can help me i will be grateful

all of my life

 

thanks in advaced

[peterh 1]

Rem the unknown USB controller and tell it to install the USB 2.0 Hub Root. Some PCs have a mixture of USB 1.1 and USB 2.0 ports and can quite happily co-exist such as my Gigabyte VIA motherboard.

Sometimes up[censored] the motherboard drivers may improve connectivity to USB devices.