If you are getting Linksys extender login failed error. Then, chances are you are entering the incorrect web address or login information in the required fields. If you are not sure whether you type the correct web address or not. close the tabs and restart your web browser to try again.
When you get extender.linksys.com not working error it might be because of a corrupt browser session. You should try clearing the cache and cookies of the internet browser.
If an issue still persists, try a few troubleshooting steps given in the following section and learn steps to fix extender.linksys.com not working issue.