I have a new IMac desktop. It is hard wired. All the FIOS equipment has been verified and replaced. Still, every day, a few times, a screen comes up saying "You are not connected to the Internet." It seems to have experts stumped. Any advice, thoughts, experience with this? The screen stays up only a few seconds.
When this happens, if it stays up for a period of time, go to System Preferences > Network > unlock the lock lower let side bar > Advanced lower right > TCP/IP and click Renew DCHP Lease. See if that helps.