arp?what'stheproblemlike?
Cannotsurftheinternet,therehavelotsofreasons,iftheinternetisslow,sometimescan'topenanewpage,ifursharingtheinternetwithothers,maybesomeoneisdowning.
Ifucannotconnecttotheinternet,tryandyourpasswordiscorrect,trytoruncmd,thenipconfig,seewhetherhaveipaddress.Checkwithyourmodem,makesureit'sworking.
Butifuwhatotherhelpu,trytodescriptyourissuesmoreclearly.