How to Set up Ethernet

Easy ways to set up Ethernet

Co-authored by Ricardo Mitchell and Jack Lloyd

Last Updated: May 28, 2024 Fact Checked

This wikiHow teaches you how to connect your computer directly to an internet router using an Ethernet cable, as well as how to set up your Ethernet settings on Windows and Mac computers, and TVs from TV manufacturers brands and names such as Toshiba, LG, Panasonic, Sony, Vizio, even Roku TVs such as Sharp, TCL, Hisense, RCA, and so on.

Quick Start Guide for Ethernet

Connect your computer to the Ethernet port on a wall or router using an Ethernet cord.
On Windows, click "Start," then "Settings," then "Network & Internet."
Select "Ethernet," then use the displayed options to ensure your Ethernet cable is connected and working.

Method 1

Method 1 of 3:

Connecting to the Router

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1
Acquire an Ethernet cable. Ethernet cables, also known as RJ-45, CAT5, or CAT6 cables, have a square plug with a clip on each end. You'll use an Ethernet cable to connect your computer to your router.^{[1]
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- The cable connecting your modem and your router is an Ethernet cable, but don't use that one, as it is important where it is.
- Polyethylene outdoor Ethernet cables are more resistant to damage from extreme temperatures than regular Ethernet cables, as they are manufactured to sustain atmosphere and weather variations.
2
Make sure your router is online. Your router should be connected to your modem, which should be connected to a Cable or Ethernet port in your wall, and you should see a constant light on the front of the router and/or modem.^{[2]
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- If you just have a modem, simply make sure that it's attached to the Cable or Ethernet port in your wall.
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3
Locate Ethernet ports on your computer and router. Ethernet ports are square, and they usually have an icon depicting a series of connected boxes near them.
- On your router, Ethernet ports will typically say "LAN" (Local Area Network) above them.
- If you're just connecting to a modem, the port you need will usually say "Internet" or "WAN" above it.
As long as your router is online, doing so will connect your computer to the Internet almost immediately.

Method 2

Method 2 of 3:

Configuring Ethernet Settings on Windows

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To do so, either click the Windows logo in the bottom-left corner of the screen, or press the ⊞ Win key.^{[3]
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It's in the bottom-left side of the Start window.^{[4]
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It's in the top row of options here.^{[5]
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This option is on the left side of the window.^{[6]
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Verify that the Ethernet is working. You should see your Internet's network name at the top of this page with "Connected" written below it; this indicates that your Ethernet connection is live.^{[7]
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Microsoft Support
Technical support and product information from Microsoft.

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- If your Ethernet isn't working, try using a different port on the router or a different Ethernet cable.

Method 3

Method 3 of 3:

Configuring Ethernet Settings on Mac

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To do so, click the apple-shaped icon in the top-left corner of the screen.
You'll see this option in the Apple Menu drop-down window.^{[8]
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This will open the Network window.^{[9]
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It's in the left-hand pane.
It's in the lower-right area of the window.
This tab is near the top of the Advanced window.^{[10]
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Make sure the "Configure IPv4" box says "Using DHCP". If it doesn't, click the box to the right of "Configure IPv4" at the top of the screen and select Using DHCP.
It's on the right side of the page. This will ensure that you're able to access the Internet while connected to Ethernet.
It's in the bottom-right corner of the screen. Your Ethernet connection should now be live.

Community Q&A

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Question

My computer automatically uses wireless. How can I change it to use ethernet?

Community Answer

If you plug in an ethernet cable, your computer should automatically pick up on that. You can also disable WiFi by just selecting Off under WiFi (depending on your computer).

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Question

How do I find my router password?

Community Answer

If you haven't changed it, it'll be stuck to the base of your router, or may be on a little slide out card.

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Question

Will I have a better internet connection with an ethernet cable if I use my PC right next to the router?

Community Answer

Because it is a wired connection, any reasonable distance (under a mile) should not affect signal strength.

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Tips

You can use a USB-C-to-Ethernet converter to connect to Ethernet on Macs that don't have Ethernet ports.

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Warnings

If you're going to use Ethernet as a primary connection type, make sure you set it up in an area in which you plan to keep your computer.

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