constantly getting disconnected

so i've been playing on my two computers on the icecrown server for a week or so now. My pc is running around 25-30 fps but I tend to dc every time i log on and try to do something, or just randomly(usually every 5 mins or less) i've checked my internet(have used hotspot as well and nothing - same problem) My laptop hardly ever discconnected but I can't run anything over 15 fps on it. Could anyone help me get my pc to work with this game? I've turned all settings down, all addons are off, even turned the resolution wayyy down to see if that will help(which it does help but im still dc'ing. I've found multiple threads about this but no fixs. Can anyone help?!