I've read too many posts about machines that were upgraded and then had problems.
HOWEVER the mystery cursor movements on laptops is legendary. Get a mouse and turn off the touchpad.
That is the only cure I've found to date.
Smosh tells CNET what it took to make it big online
Internet sensations Ian Hecox and Anthony Padilla discuss how YouTube has changed and why among all their goals, "real TV" isn't an ambition.