How to connect ethernet cable? Wireless routers have grown in popularity in recent years as a means of sharing an Internet connection across multiple PCs, owing to the extensive use of laptop computers. A wireless router, on the other hand, can be used to connect a computer to the Internet even if it does not have a wireless adapter. Most wireless routers have four Ethernet ports on the back, which you can use instead of the wireless connection to connect to the Internet through a wired connection. If necessary, a fifth Ethernet connection can be used to link the router to a cable or DSL modem.
Remove the power cable from the cable or DSL modem’s back and set it aside. If your wireless router is connected to a power outlet, you must also unhook the router’s power line.
Connect the first Ethernet cable to the Ethernet port on the back of the cable or DSL modem, and the second Ethernet cable to the Ethernet port on the back of the cable or DSL modem. Connect Ethernet cables the same way you would phone wires: align the tab protruding from one of the connections with the cutout on one of the Ethernet ports, then press in until you hear a click.
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Plug the other end of the Ethernet cable into one of the ports labeled “Internet,” “Cable/DSL,” or “WAN” on the back of the wireless router, as needed.
Connect one end of the second Ethernet cable to any of the remaining ports on the back of the wireless router and the other end to the computer using the second Ethernet cable. The ports are usually labeled with the numbers 1-4. The numbers are merely provided to help you remember which port goes to which place; you are free to travel to whatever port you desire.
Connect the other end of the Ethernet cable to the back of the computer.
Reconnect the cable modem or DSL modem power cables, as well as the wireless router power cords. Within 30 seconds of connecting to the computer, you should be able to access the Internet.