I have a lenovo think pad x220 tablet using on a wireless network, if I am not constantly moving the mouse pointer (regardless if I use the touch pad or a mouse) it will suddenly jump to a different point on the screen, opens programs on its own. It took a long time to write this message due to the cursor jumping off the typing area. When i place the cursor back to whatever I am doing, a little picture of a keyboard comes up. When the computer is sitting idle it even occurs, you can watch the mouse pointer disappear and reappear in a different spot on the screen. It highlights desktop icons, opens programs. I am starting to wonder if someone has a remote connection and is messing with me. Sometimes it happens quickly and other times slower, it is worst when I first turn on the computer. Any suggestions would be greatly appreciated.
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Do you have a touchscreen? If so, try turning off the touch screen feature for testing purposes. If it stops jumping around, you either have a corrupt driver or a bad screen. Try downloading the latest drivers from Lenovo..
HP put out a tablet PC a couple of years ago and many of them had bad touch screens. They would do exactly what you are describing, mouse moving around on its own & left and right mouse clicking. We ended up sending hundreds of them back to HP to have the screen replaced.