I have one of the first MBP uni's with a removable battery. I recently upgraded to time warner wideband 50 down 5 up and i can dl and ul fast but the internet gets laggy some times tacking 30 + seconds to load pages they came and swapped the modem again today no fix its a ubee docsis 3.0 one. Its fine on all other networks. Tried open dns and some other work arounds but no luck, other pcs on my network are fine. Please help im pulling out my hair here.