"paul" <kaartenlezer@yahoo.com> wrote in message
news:1134937049.670898.192410@f14g2000cwb.googlegr oups.com...
> Hi, I have a 3 year old Dell Demension 8250 PC with Windows XP SP2. My
> PS2 keyboard port failed, so I replaced the Dell PS2 keyboard by a
> Microsoft Digital Media Pro USB keyboard. Initially this worked fine,
> but after a few days the keyboard started to lock after a couple of
> hours of use. It came back to life after disconnecting/reconnecting
> the USB plug. Sometimes this trick doesn't work, but reconnecting to
> another USB port does. When that doesn't work, powering down the
> system works. Sometimes I have to try each of these tricks 10 times
> before it works again. I replaced the Intellitext 5.2 driver by the
> latest 5.4 version, but that is no improvement to the problem.
> Any suggestion ? Thanks in advance !
>

Hi
First i would try the keyboard on another machine
if that works ok then i think the motherboard is failing

chas