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IP address conflicts can cause problems with your internet connection on Windows 11. When two devices share the same IP address, neither can communicate properly on the network. This guide will help you fix these conflicts step-by-step.

We will start with simple checks and move towards more detailed solutions. Each step is explained clearly to help even beginners understand and follow along. By the end, your network should be working smoothly again.

It’s common to see IP conflicts when multiple devices are connected to the same router. Resolving this issue will improve your connectivity and prevent network interruptions.

Let’s begin troubleshooting your IP address conflict in Windows 11.

Quick Note: Before You Start

• Make sure your device is connected to the network (Wi-Fi or Ethernet).
• Restart your router and modem if possible. Sometimes this alone resolves conflicts.
• Check that you are using the latest Windows 11 updates. Updates can fix network bugs.
• Know whether your network uses DHCP (automatic IP assignment) or static IP addresses. Most home networks use DHCP.

Step 1: Restart Your Computer

Simply restarting your PC can refresh network settings and clear temporary glitches. This is the easiest first step and often fixes minor IP conflicts.

After restarting, check if the conflict message still appears.

Step 2: Release and Renew Your IP Address

This process asks your device to drop its current IP address and request a new one from the router. It helps fix conflicts caused by duplicate IPs assigned by DHCP.

1. Press Windows + S to open the search bar, type Command Prompt, right-click it, and select Run as administrator.
2. In the Command Prompt window, type ipconfig /release and press Enter. This releases your current IP address.
3. Next, type ipconfig /renew and press Enter to request a new IP address from the router.
4. Wait a few seconds, then close the Command Prompt.

Check if your internet connection works normally now.

Step 3: Manually Set a Different IP Address

If your network uses static IP addresses or the conflict persists, manually assigning a unique IP can help. This means choosing an IP that does not clash with other devices.

1. Right-click the Start button and select Network Connections.
2. Click on Advanced network settings, then select More network adapter options.
3. Right-click your active network adapter (Wi-Fi or Ethernet) and choose Properties.
4. Select Internet Protocol Version 4 (TCP/IPv4) and click Properties.
5. Choose Use the following IP address.
6. Enter an IP address that matches your network but is unique. For example, if your router’s IP is 192.168.1.1, try 192.168.1.50.
7. Set the Subnet mask to 255.255.255.0.
8. Set the Default gateway to your router’s IP address (usually 192.168.1.1).
9. Click OK to save changes, then close all windows.

This method prevents conflicts by ensuring your device uses a unique IP.

Step 4: Check for Duplicate IP Addresses on the Network

Sometimes, two devices are assigned the same IP by mistake. You can look for duplicates by accessing your router’s admin page.

1. Open a web browser and enter your router’s IP address (commonly 192.168.1.1 or 192.168.0.1).
2. Log in using your admin username and password. These are often printed on the router or found in its manual.
3. Navigate to the section showing connected devices or DHCP clients.
4. Look for any IP addresses assigned to more than one device.
5. If duplicates exist, change the IP of one device manually or restart the router to refresh assignments.

This helps ensure no two devices share the same IP.

Step 5: Update Network Adapter Drivers

Outdated or faulty drivers can cause network issues including IP conflicts. Updating drivers can resolve such problems.

1. Press Windows + X and select Device Manager.
2. Expand Network adapters.
3. Right-click your network adapter and choose Update driver.
4. Select Search automatically for drivers. Windows will look for and install updates if available.
5. Restart your computer after updating.

Alternative Method: Use Network Reset

If previous steps don’t work, you can reset all network settings back to default. This removes and reinstalls network adapters and resets configurations.

1. Open Settings by pressing Windows + I.
2. Go to Network & internet > Advanced network settings.
3. Scroll down and click Network reset.
4. Click Reset now and confirm.
5. Your PC will restart automatically.

This can fix deeper network conflicts by starting fresh.

FAQs

What causes IP address conflicts in Windows 11?

Conflicts occur when two devices on the same network have the same IP address. This can happen due to manual IP settings, DHCP errors, or router issues.

How do I know if I have an IP conflict?

Windows usually shows a notification like “Another device on the network is using your IP address” or you might experience connection problems.

Can restarting the router always fix IP conflicts?

Restarting can often clear temporary conflicts by refreshing IP assignments, but not in every case.

Should I use static or dynamic IP addresses?

For most users, dynamic (automatic) IP via DHCP is best. Static IPs are useful for specific needs, like servers or printers.

Is it safe to reset network settings?

Yes, but it will remove saved Wi-Fi networks and VPN settings, so you may need to reconnect afterward.

When Nothing Works

If you continue having IP conflicts after trying all steps, consider the following:

• Contact your Internet Service Provider (ISP) for help.
• Check for firmware updates for your router on the manufacturer’s website.
• Consult the official Microsoft support page for network troubleshooting: Microsoft Network Troubleshooting.
• Consider resetting your router to factory settings if the problem persists, but back up your settings first.

Conclusion

Fixing IP address conflicts in Windows 11 is usually straightforward when following the right steps. Start with simple solutions like restarting your PC or router, then release and renew your IP. If needed, manually assign a unique IP or reset your network settings.

Understanding why conflicts happen helps prevent future issues. Keeping your network drivers updated and managing your router properly ensures a stable connection. If problems persist, don’t hesitate to seek professional or official support.

With patience and these easy steps, your Windows 11 device will regain reliable network connectivity in no time.