Here’s why your Ethernet port light is blinking when your computer is off: This is related to a feature known as wake from LAN (or Wake on LAN or WoL). Wake on LAN lets other devices wake up your computer through the Ethernet cable. Your port light blinks when the computer is off because WoL … Read more
The always-on Ethernet port indicator light tells you that the connection between the two Ethernet ports is functional. The light is designed to let you know that your Ethernet connection is established without performing additional tasks. The light can come in different colors, depending on the manufacturer.