5) If the Local Connection icon in the Network Connection window prompts "Local Cable Unplugged", it indicates that one end of the network cable connector from the switch or HUB to the user network card is loose or there is a problem with the network cable, then check whether the network cable is in good contact, and if the contact is good, then check the network cable. Does "Local Connection Accepts Restriction or No Connection" appear in the taskbar with a yellow background (! ), has no effect on the Internet. If you don't feel pleasing to the eye, you can remove it! Method: Double-click the local connection icon-Properties-Remove the cross check before "Notify me when this connection accepts restrictions or there is no connection"-OK.