Occasionally the mouse will go haywire. It will just start to automatically scroll the screen up non-stop. I don't think this is a problem with the mouse hardware as when this happens and I switch to a different mouse in either usb slot the same thing happens. It goes back to normal if I restart.

Any help?

dancali - It would help to know the make and model of your mouse.

What does the cursor look like, when the auto-scrolling occurs?

(Some mice (or is it mouse's) have this feature built-in. When activated, you will see a circle on the right "slider" which has a two-headed up/down arrow displayed. When the mouse is moved, the scroll follows.)

Oh yes.....per-chance did you read the "mickey-mouse" manual?

cheers

I was told that it could be caused by your mouse pad color scheme if your mouse does not have the round ball inside. I've noticed the same problem with mine and would replace my pad first to see if it helps.

That's true, avoid brightly-colored mousepads that contrast (neon green vs orange for example). Newspapers and anything with text is also a hazard to your optical mouse.

You have two options -

Try a white piece of paper (I have been using one as a mousepad for a while, it's economicall, error-free, and 100% recycleable - works like a charm!)

Or you can upgrade to the Logitech laser mouse - pin-point accuracy, none of that red-goo-goo thing and no moving radically around the screen. All - surface compatible (except wet surfaces).

That's true, avoid brightly-colored mousepads that contrast (neon green vs orange for example).  Newspapers and anything with text is also a hazard to your optical mouse.

You have two options -

Try a white piece of paper (I have been using one as a mousepad for a while, it's economicall, error-free, and 100% recycleable - works like a charm!)

Or you can upgrade to the Logitech laser mouse - pin-point accuracy, none of that red-goo-goo thing and no moving radically around the screen.  All - surface compatible (except wet surfaces).

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Is it an optical or 'ball' mouse? Optical mice go haywire on a shiny or reflective surface, as said above.

Dirt on your mousepad will also send optical mice haywire. Chuck it in with your laundry occasionally

My mouse went haywire as well, it was a virus infection, because I ran the free virus AVG software, and I was cured. So download the latest AVG free virus.

Wilson Steer.