I am not sure what you are asking me.
You mean the monitor?

On Feb 7, 10:03*pm, Karl Snooks <KarlSno...@discussions.microsoft.com>
wrote:
> Allanc,
> Your laptop has a limit on how much power it can supply to USB ports and
> there is a limit on the number of root usb hubs. *Does your new hardwarehave
> its own supply for the USB ports which it supplies?
> Karl
>
>
>
> "allanc" wrote:
> > I have a 5 year old desktop (XP PRO sp2) with 6 USB ports in total (4
> > in back, 2 in front).
> > The 4 in back are 2.0 but I am not sure of those in front.
>
> > I have not had a USB issue until recently when I changed my monitor to
> > one with 4 built-in USB ports.
> > I installed the monitor and software according to the directions.
> > I connected the USB cable to the back of the computer.
> > However, everytime the cable is connected, I am getting errors such as
> > 'USB device not recognized'.
> > The device manager also shows unknown devices.
> > I delete the unknown devices and then try connecting the cable in a
> > different order such as before/after monitor is powered up, before/
> > after computer is powered up, etc.
> > I have also disconnected the power cable to the computer (a suggestion
> > from a computer help forum).
>
> > The USB cable from monitor to computer is now disconnected.
> > All USB devices that were connected at the time the monitor was
> > installed function OK (such as keyboard, mouse, printer).
> > However, a USB stick that I have used many times now displays an error
> > 'USB device not recognized' whenever I connect it.
> > I have tried updating the USB driver but a message similiar to 'You
> > are already using the current driver' is displayed.
>
> > All suggestions are appreciated.
>
> > Thank you in advance.- Hide quoted text -
>
> - Show quoted text -