suddenly I can't access the internet
couple weeks ago, out of no were a had no access to the internet. I can use the internet from my iphone and other laptops. only my macbook pro who I can not access to the internet.
I try to call apple or chat with them but they said my technical support expaired.
please help me.
MacBook Pro (13-inch Late 2011), OS X El Capitan (10.11.5)