A mouse pointer behaving like that is mostly hardware related, but it might on occasion be software related.
You have the beta, it might be a good idea to get the stable just in case it is software related.
Clem recommends a fresh install to be sure to get rid of old bugs.
As it is a laptop - do you use a separate mouse or just the touchpad? If you use a mouse turn off the touchpad.
SOLVED:Corrupted keyboard input
Forum rules
Before you post read how to get help. Topics in this forum are automatically closed 6 months after creation.
Before you post read how to get help. Topics in this forum are automatically closed 6 months after creation.