Want to transfer files between two PCs or set up a local network without relying on Wi-Fi? One of the fastest and most stable methods is using a LAN (Ethernet) cable to connect two computers directly. Whether you're a gamer, IT student, or just looking for a quick file-sharing solution, this guide is for you.
how to connect 2 computers with lan cable
🔌 What You Need
Before we dive into the steps, make sure you have:
✅ Two computers with Ethernet (LAN) ports
✅ One Ethernet (RJ45) cable – CAT5e, CAT6, or higher
✅ Windows or Linux operating system (this guide focuses on Windows)
💡Note: Most modern computers support Auto-MDI/X, so you don’t need a crossover cable — a standard Ethernet cable works fine.
🧭 Step-by-Step: How to Connect 2 Computers with LAN Cable
Step 1: Plug in the LAN Cable
Connect one end of the LAN cable to Computer A and the other end to Computer B.
Step 2: Set IP Addresses Manually
On Windows 10 / 11:
Go to
Control Panel > Network and Sharing Center > Change adapter settings.Right-click on Ethernet, then select Properties.
Click on
Internet Protocol Version 4 (TCP/IPv4), then click Properties.For Computer A, set:
IP address:
192.168.1.1Subnet mask:
255.255.255.0
For Computer B, set:
IP address:
192.168.1.2Subnet mask:
255.255.255.0
Click OK to save the settings on both PCs.
Step 3: Enable File and Printer Sharing
Go to
Control Panel > Network and Sharing Center > Advanced sharing settings.Turn on Network Discovery and File and Printer Sharing on both computers.
Ensure both PCs are on the same private network profile.
Step 4: Share Folders or Drives
On either computer:
Right-click the folder or drive you want to share.
Choose Properties > Sharing > Advanced Sharing.
Check “Share this folder” and give it a recognizable name.
Click on Permissions to control access (read or write).
Step 5: Access Shared Content
On Computer A, press
Win + Rand type\192.168.1.2to access Computer B.On Computer B, type
\192.168.1.1to access Computer A.
Shared folders will now be visible and accessible between the two systems.
🧪 What Can You Do After Connecting?
✅ Transfer large files quickly (much faster than USB or Wi-Fi)
✅ Set up a LAN multiplayer game environment
✅ Create a peer-to-peer local network
✅ Use one PC’s internet (via bridging or ICS)
🛠️ Troubleshooting Tips
| Problem | Solution |
|---|---|
| No network detected | Check cable and port lights; try another Ethernet port |
| Can’t access shared folder | Recheck sharing permissions and firewall settings |
| 'Unidentified network' error | Ensure both PCs have matching subnet masks |
🌐 Bonus: Can You Share Internet via LAN Cable?
Yes. On the computer with an internet connection:
Go to
Network Connections.Right-click on the active internet connection > Properties > Sharing tab.
Enable 'Allow other network users to connect...'
Choose the Ethernet adapter connected to the other computer.
📦 Final Thoughts
Connecting two computers using a LAN cable is a fast, secure, and efficient method for sharing files or creating a small network. Unlike cloud storage or USB drives, LAN connections offer real-time communication and higher speeds, making it ideal for office setups, IT labs, or gaming LAN parties.
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