1. I don't have another computer. If I bring it to a friend's house, it will
probably work at first (as it does on my computer), so I would have to work
there for a while to see if it konks out. Not feasible.

2. Same behavior on other ports--sometimes it works, sometimes it doesn't...

"Singapore Computer Service" wrote:

> Hello,
>
> Try the mouse in another computer. If the problem is still there, then you
> need to replace the mouse.
>
> Also try another USB port.
>