my pointer jumps all over the screen not only on one comp but two. also the screen moves up and down?

Question

right now the pointer is just roaming around. This is an older hp and i never had that problem before. Also the touch pad won't lock any more; The other comp is brand new and does the same exact things
what is up with that?
s

both of my lap tops do it and one is brand new

Answer 1

Sounds like you have a "short" in the laptops keyboard and/or touchpad. You can try disabling the touchpad, using an external mouse and see if the cursor behaves. But you will probably have to have the keyboard and touchpad replaced to fix the issue.
(See this all the time on laptops)