A Linksys extender blinking green indicates that the device is powering up or establishing a connection with the router. If the blinking continues for too long, it may mean the extender is still trying to sync or update firmware. To fix this, check the placement of your extender, ensure it’s within range of the router, and restart the device. The Linksys extender blinking green status... https://linksyswifiextender.net/linksys-extender-blinking-green/