Please help??? after computer has been on for about 10 minutes my internet connection (legit) goes mega slow (2minutes for a page to load) or comes to a halt completely and logo pops up at bottom saying network connection cable disconnected. Have spoke to VIRGIN premium rate number and they have supposedly done tests on modem from there end and say its ok, must be my end, trouble is if they send engineer and its my computer, i wil be charged. Any one have any ideas ?????????