- Attach an Ethernet cable from the computer to the Ethernet port of the router.
- Connect the Linksys AC1900 router to the electrical outlet using a power cord.
- Open the frequently used web browser on your system and key in the IP address of the Linksys router in the search bar..
- Enter the administrator password in the required field and tap Log In.
- Select the Connectivity option and then choose the Internet Settings option.
- In the next, you have to choose the Bridge Mode option from the Connection Type drop-down list.
- Highlight the checkbox available near the Obtain an IPv4 Address Automatically option.
- Tap the Apply button and click the Yes button on the warning screen.
- Next, connect the modem and the router using an Ethernet cable. On identifying the Internet, you will be directed to the Sign In page.