Question: Why Is My AT&T Modem Not Working?

Why is my AT&T router not working?

Power cycle (reboot) your AT&T gateway – Unplug the gateway from the power outlet in the wall and wait two minutes before plugging it back in.

Check your cables – Verify that all physical connections to your AT&T gateway and computer are in place (e.g., phone line, power cords, ethernet cables)..

How do I test if my modem is working?

Cable modem router troubleshooting tipsMake sure that your cable modem’s MAC address is registered with your cable provider. … Check your cable modem’s Ethernet and coaxial cable connections. … If you are using wireless, check that your wireless connection is functioning correctly. … Power off your modem for at least 10 seconds and then power it back on.More items…•

How do I know if my modem is bad?

One of the surest signs that your modem is going bad is a sudden stoppage of all its functions. The lights do not turn on even when you properly re-connect your wiring. Complete unresponsiveness of a modem is a signal permanent damage to the modem.

How do I fix my AT&T modem?

Reboot your gateway or modem manuallyUnplug the power cord from the back of your gateway or modem. If you have: … Wait 20 seconds.Put the internal battery back in, if applicable.Plug the power cord back in. … Wait up to 10 minutes for the gateway or modem to reboot and your Broadband light to blink green.

Why is the modem not working?

Make sure the Ethernet cable connection to your modem (and the connection between your modem and router, if applicable) is not loose or accidentally unplugged. … Unplug the power from the router for 5 seconds, and plug it back in. It should take about 30 seconds to reboot.

How do I fix my modem not working?

To reboot your modem:Unplug the power cord from the back of the modem. Check to make sure all the lights on the modem are OFF.Wait one full minute. Plug the power cord back into the modem.Wait for the internet light or main status light to turn green.Now try connecting to the internet again.

Where is the reset button on my AT&T router?

Locate the factory reset button Look for the factory reset button on your AT&T U-Verse device. The reset button is usually red in color and located on the back of the device.

How do I test my ATT modem?

Launch the AT&T recommended speed test site at att.com/speedtestEnter your AT&T e-mail address to help us improve our service (optional)Click the START TEST button.Allow 30-60 seconds for your test results.Review the Download and Upload speed then compare it to your subscribed speed.More items…•

Why is my Internet connected but not working?

If the Internet works fine on other devices, the problem lies with your device and its WiFi adapter. On the other hand, if the Internet doesn’t work on other devices too, then the problem is most likely with the router or the Internet connection itself. … If your router and modem are separate, restart both.

Why do modems need to be reset?

Why do you need to reboot your modem? … Rebooting your modem can fix Internet connection problems, improve slow moving connections and resolve wireless issues, which also affect your Digital TV service that is being transmitted over an internet connection.

Why are there no lights on my modem?

Here are a few things that you can try. Check that your modem’s power adapter is connected properly and securely to the back of your modem and to the power outlet. You may disconnect and reconnect it to make sure it is not loose, or try a different outlet. Make sure that you are using the correct power adapter.