Your network adapter is one of the main pieces of Windows that connects your computer to a wired or wireless network. When everything is working normally, you usually do not need to touch its settings. But if your internet connection is slow, keeps disconnecting, cannot get an IP address, or has trouble communicating with other devices, changing the network adapter settings can sometimes fix the problem.
Windows 11 and Windows 10 give you several ways to manage these settings. You can configure IP addresses, DNS servers, network protocols, adapter properties, speed and duplex options, and power settings, depending on your hardware and network.
The good news is that you do not need to be a networking expert to make common changes. In this guide, you will learn how to find your adapter, open its settings, configure important options, and troubleshoot common problems safely.
What Are Network Adapter Settings?
Network adapter settings control how your computer communicates with a network. Your PC may have a Wi-Fi adapter, an Ethernet adapter, or both.
For example, your adapter can automatically receive an IP address from your router using DHCP. You can also manually assign an IP address when your network requires a fixed configuration.
You can access several network options through Settings, Control Panel, and Device Manager.
Configure Windows Network Adapter Settings in Windows 11/10
The exact screens can look slightly different between Windows 11 and Windows 10, but the basic configuration process is similar.
1: Open Your Network Adapter Settings
Start by opening the network adapter configuration screen.
In Windows 11, go to Start > Settings > Network & internet > Advanced network settings. Under Network adapters, you can see your available connections, such as Wi-Fi and Ethernet.
In Windows 10, go to Start > Settings > Network & Internet > Status > Change adapter options.
You can also open the classic adapter window in either version of Windows by pressing Windows + R, entering ncpa.cpl, and selecting OK.
You should now see your available network connections. A connection may show as Enabled, Disabled, or disconnected.
2: Identify the Adapter You Want to Configure
Before changing anything, identify the correct adapter.
If you connect through a network cable, look for Ethernet. If you use a wireless connection, look for Wi-Fi or a similarly named wireless adapter.
If several adapters appear, do not randomly change their settings. Some computers have virtual network adapters installed by VPN software, virtualization programs, or other networking applications.
Right-click the adapter you want to configure and select Properties.
3: Configure IPv4 Settings
One of the most common reasons for opening network adapter properties is to configure Internet Protocol Version 4, commonly called IPv4.
Inside the adapter’s Properties window, locate Internet Protocol Version 4 (TCP/IPv4). Select it and click Properties.
You will usually see two main choices.
The first is Obtain an IP address automatically. This allows your router or DHCP server to assign the computer an IP address automatically. For most home networks, this is the recommended option.
The second choice is Use the following IP address. This allows you to manually enter an IP address, Subnet mask, and Default gateway.
Only use a manual address when you know the correct network configuration. Entering an incorrect IP address can prevent your computer from accessing the network.
4: Configure DNS Servers
The same IPv4 window lets you configure DNS servers.
DNS translates website names into IP addresses so your computer can connect to websites and online services. Windows normally obtains DNS information automatically from your router.
If you need to use a specific DNS service, select Use the following DNS server addresses and enter the appropriate Preferred DNS server and Alternate DNS server.
After entering the information, select OK and close the remaining windows.
Keep in mind that changing DNS does not automatically make every internet connection faster. If your current DNS service is working correctly, there may be little noticeable difference.
5: Check IPv6 Settings
Windows also supports Internet Protocol Version 6 (TCP/IPv6).
You can find this option in the same adapter Properties window. In many modern networks, IPv6 should remain enabled because routers and internet services may use it.
If you are troubleshooting a specific network problem, do not disable IPv6 without a reason. Some applications and networks depend on IPv6 functionality.
For normal home and office connections, leaving IPv6 enabled is generally the safer configuration.
6: Change Network Adapter Speed and Duplex
Your Ethernet adapter may have a setting called Speed & Duplex.
To find it, right-click Start, select Device Manager, expand Network adapters, right-click your Ethernet adapter, and select Properties. Open the Advanced tab and look for an option such as Speed & Duplex.
You may see settings such as Auto Negotiation, 100 Mbps Full Duplex, or 1.0 Gbps Full Duplex.
In most cases, leave this setting at Auto Negotiation. Your computer and network equipment can then negotiate an appropriate connection speed.
Manually forcing a speed can sometimes cause connectivity problems if the router, switch, or cable does not support the selected configuration.
7: Adjust Power Management Settings
Windows can manage network adapter power consumption, particularly on laptops.
Open Device Manager > Network adapters, right-click your adapter, select Properties, and open the Power Management tab.
You may find an option allowing Windows to turn off the device to save power.
This feature can be useful for battery life, but in some situations it can contribute to Wi-Fi disconnects or network interruptions. If your adapter repeatedly disconnects after sleep or during periods of inactivity, checking this setting can be worthwhile.
Change power options carefully, especially if you are troubleshooting a laptop where battery life matters.
8: Check the Adapter Driver
A network adapter depends on a device driver to communicate correctly with Windows.
Open Device Manager > Network adapters, right-click your adapter, and select Properties. The General tab can show whether Windows detects a problem.
You can also open the Driver tab to view driver information.
If the adapter is malfunctioning after a Windows update or driver change, options such as Update Driver, Roll Back Driver, or Uninstall Device may be available.
Do not uninstall a working adapter just to experiment. If you need to reinstall a driver, make sure you have a reliable way to obtain the correct driver afterward.
9: Disable and Re-enable the Adapter
Sometimes Windows simply needs the network adapter to restart.
Go to Settings > Network & internet > Advanced network settings in Windows 11. Find your adapter and use the option to disable it. Wait a few seconds, then enable it again.
In Windows 10, you can use ncpa.cpl, right-click the connection, select Disable, wait briefly, and then select Enable.
This can refresh the network connection without restarting your entire computer.
10: Reset TCP/IP and Network Components
If changing adapter settings has not solved the problem, Windows includes command-line tools for resetting important network components.
Open Command Prompt as administrator by searching for Command Prompt, right-clicking it, and selecting Run as administrator.
You can use commands such as ipconfig /release, ipconfig /renew, and ipconfig /flushdns to refresh DHCP and DNS information.
You can also use netsh winsock reset when troubleshooting problems involving the Windows networking stack.
After certain resets, you may need to restart Windows before the changes fully take effect.
11: Verify Your New Configuration
After changing the adapter settings, test the connection.
Open Command Prompt and enter ipconfig /all. This displays information such as the adapter’s IPv4 address, subnet mask, default gateway, and DNS servers.
Check whether the computer received the expected information.
You can also test your connection by opening a website. If websites do not load, try communicating with your router or another known network destination.
If the connection stopped working immediately after a configuration change, return to the previous setting and test again. This is one reason it is smart to record your original configuration before making manual changes.
12: Use Windows Network Reset as a Last Resort
If your adapter continues to behave incorrectly, Windows provides a Network reset feature.
In Windows 11, go to Settings > Network & internet > Advanced network settings > Network reset.
In Windows 10, go to Settings > Network & Internet > Status > Network reset.
Network reset removes and reinstalls network adapters and returns several networking settings to their defaults. Because it can affect VPN software, virtual adapters, saved network configurations, and other networking components, use it after simpler troubleshooting methods have failed.
Don’t make these Mistakes
The biggest mistake is entering an IP address or gateway without knowing what your network requires. A wrong configuration can make a working connection fail.
Another common mistake is manually forcing Speed & Duplex when Auto Negotiation was working correctly. There is also little reason to disable IPv6 unless you are troubleshooting a specific compatibility issue.
Finally, avoid changing several settings at once. Make one change at a time, test the connection, and note what happened. That approach makes troubleshooting much easier.
FAQs
What is the easiest way to open network adapter settings in Windows?
Press Windows + R, type ncpa.cpl, and press Enter. This opens the classic Network Connections window where you can manage Ethernet and Wi-Fi adapters.
Should I use a static IP address?
Most home users should keep Obtain an IP address automatically enabled. A static IP is useful when a network administrator or specific device requires a consistent address.
Should IPv6 be enabled?
For most modern networks, yes. Keep IPv6 enabled unless you have a specific troubleshooting reason to change it.
Why does my network adapter keep disconnecting?
Possible causes include driver problems, power management settings, weak Wi-Fi signals, faulty cables, router issues, or incorrect adapter configuration. Checking the driver and power settings is a good starting point.
What does Auto Negotiation do?
Auto Negotiation allows your network adapter and connected network equipment to agree on an appropriate connection speed and duplex mode. It is normally the best choice for standard Ethernet connections.
Will changing DNS fix slow internet?
It can sometimes improve DNS lookup performance, but it will not necessarily increase your overall internet speed. Slow connections can also be caused by Wi-Fi interference, router problems, ISP limitations, or network congestion.
How can I restore the original adapter settings?
If you manually changed IPv4 settings, return them to Obtain an IP address automatically and Obtain DNS server address automatically, unless your network administrator provided different settings.
Summary
Configuring Windows network adapter settings gives you more control over how your Windows 11 or Windows 10 computer connects to a network. You can manage IPv4, IPv6, DNS, adapter drivers, speed and duplex settings, and power management from the appropriate Windows tools.
For most users, the safest approach is to keep IP and DNS settings automatic, leave Speed & Duplex on Auto Negotiation, and avoid disabling networking components without a specific reason. When troubleshooting, make one change at a time and verify the connection after each adjustment.
If basic changes do not solve the problem, tools such as ipconfig, Winsock reset, and Windows Network reset can help restore normal connectivity.