Linksys E2500 is a dual-band Wi-Fi router. If your Linksys E2500 no power light, check your connection first. Ensure that you have properly connected your router's power cord (the one that came with your router) to the electrical outlet. Verify whether you have connected your router and modem using a standard Ethernet cable. If the problem persists even after setting up everything correctly, proceed with the below-mentioned troubleshooting steps.