This article covers how to reset the Thomson Alcatel TG580 router back to factory default settings. Resetting a router is different than rebooting a router. Every time your router loses power it reboots. This is different from a reset because a reset completely erases all settings from the router.
Warning: Before you continue, there are a few things you need to know. A router reset will affect the following settings:
- The router's login and password are reset to factory defaults.
- All WiFi settings are reset, including network name and password.
- Your ISP settings are reset, which means you will have to contact your ISP to get them back.
- Any firewall settings, parental controls, or port forwards that you have configured will be removed.
Resetting your router should be considered the last step. You should be sure that you have tried to at least recover your router password using our Router Password Finder before resorting to a router reset.
Other Thomson Alcatel TG580 Guides
This is the reset router guide for the Thomson Alcatel TG580. We also have the following guides for the same router:
Recover Password in Thomson Alcatel TG580
If you are resetting your router because you forgot your router password, then you should try running our Router Password Finder first.
Router Password Finder is designed from the ground up to help you recover your forgotten router username and password, which can save you a lot of time.
Router Password Finder - Lost or Forgotten Router Password Recovery Tool
Do not do a full router reset until after you have tried every other option to log in to your router.
Reset the Thomson Alcatel TG580
Usually there is a reset button located on the back or bottom of a router. This is what a typical reset button looks like:

Your reset button may look different, but usually they are very small. You may need a paper clip to push the reset button.
Watch the lights on the front of your router and hold the reset button down for about 10 seconds. After a few seconds the lights should blink differently. When this happens, the reset is complete. You can hold the button down as long as you like, it will not hurt anything.
Just don't forget that this will totally reset your Thomson Alcatel TG580 router.
Only do this once you have exhausted all other troubleshooting options, such as running our Router Password Finder software, which can recover a lost router password for you.
Login to the Thomson Alcatel TG580
Now you need to log in using the factory default username and password. Our TG580 Login Guide has all of the information that you need.
Change Your Password
Be sure to change your router's default password after you get logged back in. It's a very bad idea to leave your router's password set to the factory default. If you need help coming up with a strong password, check out our Choosing a Strong Password guide.
Tip: Write your new password down on a note and tape it to the bottom of your router for future reference.
Other Thomson Alcatel TG580 Guides
We have collected a lot of information about the Thomson Alcatel TG580 router. You can find some of our additional content here.
This is the reset router guide for the Thomson Alcatel TG580. We also have the following guides for the same router: