there are two devices listed under Mouse:
PS/2 Compatible Mouse
HID Compatible Mouse
Is this normal? I just have the basic optical mouse on usb and the
trackpoint on the keyboard.

"Alessandra" wrote:

> This is happening on two windows XP laptops (with latest updates), using
> either a fairly new Microsoft basic optical mouse connected to the usb port
> or a standard ball mouse connected to the ps/2 connector . I have tried to
> play with the XP mouse settings, but the problem remains and makes work very
> hard.
> Sometimes the arrow travels on its own to the top right corner and will not
> move anywhere else, or to the bottom left corner.
> It does not happen always, but it's very very frequent, more on a Toshiba
> than on a Dell. I am using a wireless network in the house, should it have
> anything to do with it.
> All ideas are welcome.
>
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