Re: Multiple problems/possible virus HELP!!
I would treat the 2 problems seperately.
1. Internet access:
Did you change the modem/routers ip address before resetting it. If not, then in your network connections you should be fine setting the relevant connection (ethernet/wifi) to assign ip automatically, and assign dns automatically. Check that these are set, or if there are any weird numbers in there.
Most common way to test for viruses is to download malwarebytes, run a scan on the pc, then google for any error/messages the report gives you. More experienced ppl than myself could possibly help in here. My policy is if you cant fix it inside an hour, re-install windows.
Hope that offers some help.