To restart the switch, find the power cord, the power cord is located on the back of the switch, pull the cord out, when the cord is pulled out you will notice the lights on the front of the switch are no longer on or flashing, leave the power cord out for at least 30 seconds. After this is complete plug the cord back in, you will notice the lights on the front come back on and start flashing this is normal. Now you must check connectivity, navigate to the windows start icon - right click - select settings - then select network & internet - You will see that it says "you're connected to the internet". Below is a image of The netgear switch this is same switch you will see at retail, snack shack, ticket booth, and ricks race shed. The other attachments are step by step on how to check connectivity.