Why are all the lights on my modem flashing?
On a modem (or a router/modem combo) If it’s off, red or flashing constantly (it’s OK if it flashes for a short time, like less than a minute, after a reboot) then check to make sure the service cable, either the phone line (DSL) or the coaxial cable (cable internet) is securely plugged in and not broken.
What do the lights mean on a cable modem?
If the light is blinking green, data is being transmitted or received at 100 Mbps. If the light is on and yellow, the port has detected link with a 10 Mbps device. If the light is blinking yellow, data is being transmitted or received at 10 Mbps. If the light is off, no link is detected on that port.
How do I restart my AT Ont?
You can reboot the ONT by unplugging the power supply for a few minutes and plugging it back in.
Why isn’t my modem connecting to the internet?
Disconnect the power cord—if you have both a modem and a router, disconnect both—then reconnect the modem after a minute or two. Make sure that the power switch is in the On position, if there is one. Once its lights are on, plug in your router (if applicable) and wait for it to boot up as well.
Why does my Wi-Fi modem keep blinking?
As long as the Wi-Fi device is able to receive and send data over its wireless connection to the router, the blinking light can be ignored. The router’s lights blink when the device sends and receives data transmissions, indicating the data has been properly processed and sent to either the Wi-Fi device or the modem.
What lights should be on AT modem?
Learn about your modem status lights
|Power||Solid Red||Power on/self-test failed or modem has malfunctioned.|
|Ethernet||Off||No Ethernet connectivity or modem is off.|
|Solid Green||A device is connected by Ethernet to the modem.|
|Flashing Green||Traffic between connected device and modem.|
How do I reset my AT modem?
Restart your gateway or modem manually
- Unplug the power cord from the back of your gateway or modem. If you have:
- Wait 20 seconds.
- Put the internal battery back in if you have one.
- Plug the power cord back in.
- Wait up to 10 minutes for the gateway or modem to restart and your Broadband light to turn solid green.
Should my modem be blinking?
A blinking light means you are having difficulty connecting to the internet. Ensure all telephone cable connections are tight and secure and reboot the modem and router (if applicable). POWER: A solid green light indicates the unit is properly connected to power. A blinking red light indicates a possible modem failure.