ASUS DSL-N12U User Manual
![ASUS DSL-N12U Router manual cover](/images/dIFmqjKSyamsSxzSJnJIbrZH/thumbs/thumb175x175.webp)
To set up your ASUS DSL-N12U router, connect it to your modem using a DSL cable, power it on, and connect your computer to the router via an Ethernet cable. Open a web browser and enter "192.168.1.1" in the address bar. Log in using the default credentials (admin/admin), then follow the Quick Internet Setup wizard to configure your internet connection.
To reset the router to factory settings, press and hold the reset button on the back of the router for about 10 seconds until the power LED starts to blink. Release the button and wait for the router to reboot with default settings.
Log in to the router's web interface at "192.168.1.1" using your admin credentials. Navigate to the "Wireless" section and then to "Wireless Security." Here, you can change the Wi-Fi password. Save the settings and reconnect your devices using the new password.
Ensure that your DSL cable is properly connected to both the router and the wall jack. Check that the DSL light on the router is steady, which indicates a proper connection. If the issue persists, restart both the router and the modem. Verify that the correct ISP login information is entered in the router settings.
To update the firmware, download the latest firmware version from the ASUS support website. Log in to the router's web interface at "192.168.1.1," go to the "Administration" section, and select "Firmware Upgrade." Upload the downloaded firmware file and follow the on-screen instructions.
Yes, the ASUS DSL-N12U can be configured as a wireless repeater. Access the router's web interface, navigate to "Advanced Settings," select "Wireless," then "Repeater Mode." Follow the setup instructions to connect the router to your existing wireless network.
Change the default admin password by logging into the router's web interface and navigating to "Administration" > "System." Enable WPA2 encryption under the "Wireless" settings and disable WPS for added security. Consider setting up a guest network for visitors.
If you forget the login password, you will need to reset the router to its factory settings by pressing the reset button for 10 seconds. This will restore the default username and password (admin/admin), allowing you to log in and reconfigure the settings.
Ensure the router is placed in a central location free from obstructions. Change the wireless channel in the "Wireless" settings if you experience interference. Use the 2.4 GHz band for further range and the 5 GHz band for higher speed if available.
If the firmware upgrade fails, restart the router and try the upgrade process again. Ensure you are using the correct firmware file and the router remains powered during the process. If the issue persists, contact ASUS support for further assistance.