at&t modem power light flashing red and green
Then an hour or so it started dropping and it eventually stopped. The gateway or power supply may be malfunctioning. Why Is The At T Broadband Light Blinking Red And Green And How To Fix It Routerctrl A solid green light indicates that the unit has adequate power. . Not all CenturyLink modems show the software test with an amber light during boot-up. If you dont see any lights at all on your modem then you may not have the power toggled on. In this video I show everybody what I did in order to fix my internet problemin regards to the broadband cable. The power light will move from red to amber during boot-up after the hardware test passes. A POST failure not bootable or device malfunction occurred. The gateway is attempting PPP connection attempting IEEE 8021X authentication or attempting to obtain DHCP information. Modem lights flashing red and green. Seriously it was all working fine BEFORE the outage. If t...