When wake pc up, I was surfing web with Firefox browser before I've plug power cable back in to att dsl modem. But Ie-10 no internet until att dsl modem power plug back in. What I do make sure pc is safe and secure using firefox. I 've check wif-i thru network icon, have Many wifi signals but Only One unsecured Wi-Fi signal,reply soon?
My pc is new was setup by dell