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Is anyone else's comp / mouse starting to do weird things on the mouse front?
I don't know if it was a recent update that has triggered this, but it is starting to drive me nuts.
Windows randomly switches into mouse scroll mode, changes the icon on screen as well, and then when I move my mouse, it scrolls the page up and down. I have no idea what triggers it, and pressing ESC or clicking the screen furiously can stop it.
I thought it might be the Lenovo AutoScroll Service, but my understanding that this is for moving partially off screen windows back in view when the mouse reaches screen edge, I have stopped the service to see what happens longer term.
[Edit: Still does it with the AutoScroll service disabled, so it is not that!]
I'm fine on both desktop and Surface - both running 20H2 (109042.867)
My mouse driver is "Microsoft PS/2 Mouse" to a Logi Trackman Wheel via PS/2 port on desktop, and "Hid compliant mouse" via bluetooth on Surface.
Both working with no oddities at all.
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This maybe not your case but funny: A while back...
* my mouse started acting really weird
* OK, switch, mouse, fine!
* But not : ( switch mouse port, fine!
* But not : (
* After a couple of days...
* I realised that with my lid closed the touchpad was picking up static
* Find setting, fine!
"If we don't change direction, we'll end up where we're going"
Happened to me on the laptop when the touchpad was still on although I thought it was turned off, so I would occasionaly touch it with the keyboard hand while moving the mouse with the mouse hand, causing bizarre interactions.
I farking hate those damned things. I've disabled them in the BIOS on my last two laptops. It's PITA to get selection right, drag/drop is just as bad, and scrolling requires dislocating your middle finger.
It is my eternal shame that when they first came out in the 90's I thought they were pretty cool.
This is exactly what mine does. If I press the middle button (which is easy to do if I'm scrolling too vigorously), it changes behaviour into some kind of scroll mode. The icon changes to a cross with arrows on each end, and moving the mouse causes the page to scroll, rather than move the pointer.
I had a similar issue some years ago too. Every time I opened a combobox list it scrolled down to the last item. It took me some hours of investigation until I realized that I had a powered-on cordless mouse in my backbag
Just updated windows 10 yesterday and the mouse acted like someone else was using it. I unplugged the RJ45 and still had the problem. Looking deeper, the CPU was maxed out at 100% so not much processing power going to the mouse. After waiting a while, it calmed down and started working ok but took a long time, an hour or so. I think the new update was still working on things in the background so you could do things in the foreground, didnt work.
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It sounds familiar. My mouse is a wired Kensington mouse and I had similar problems a year back. It turned out to be a nearly invisible hair in the optical socket for the mouse. Once removed, everything returned to normal.
I've seen this before as far back as Windows 2000. You have a device sending spurious interrupts to the system. The usual culprit is a battery powered mouse with weak batteries, but I've seen keyboards and other wireless devices do the same thing.
When anyone at the office complains about this type of symptoms, my first question is, "do you have any paperwork, magazines, or books that are getting onto your keyboard?" My second question is whether the scroll-lock light is on. I will often get an "Oh. That fixed it" comment. If they tell me "no", then I send out a replacement keyboard for them. With only rare exception, that fixes the problem. For those exceptions, I replace the mouse.
There are many things that can be adversely affected by "stuck keys" on the keyboard, including mouse functions like scrolling. If you are someone that eats at your desk (I do that too) you could have crumbs, oils, coffee, cola, mold (yes, I have seen that one at someones desk before ), or something else that is affecting keys. Those keyboard cleaners that look like you are pressing silly putty onto your keyboard actually to an excellent job. I find they work better than canned air, brushes, or mini vacuums in most cases (although I like the combination of keyboard putty and canned air).
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