Stuttering lag

Ive been driven insane trying to this out, consistently late packets, tried wifi and wired, updated every driver plausible as far as i know, even tried it on my phone, and it's late no matter what. sometimes I don't notice any problems with surfing the web or watching videos, just when...

My Kirabook is suddenly having major problems with the cursor when I use it without a mouse. It jumps, hangs up websites and has little ghosted circles on the touch screen on right hand side of the screen. I feel like some hardware has been knocked loose because I can press on the front panel...