在Windows 10(Windows 10)中诊断非活动互联网连接时，您是否一直遇到“ Wi-Fi没有有效的 IP 配置”错误消息？当您的 PC 无法通过Wi-Fi保护正常运行的 IP（(Wi-Fi)互联网协议(Internet Protocol)）地址时，就会发生这种情况。您可能还会遇到类似的与以太网有关的 IP 相关错误(similar IP-related error with Ethernet)。
如果重新启动计算机没有解决问题（如果还没有，请尝试），那么下面的故障排除提示应该可以帮助您解决问题。
重启你的路由器
在大多数情况下，由于路由器端的随机故障，会出现“ Wi-Fi没有有效的 IP 配置”错误。解决方案——重启你的路由器。
首先关闭路由器。然后，等待至少 10 秒钟，然后再将其重新打开。一旦您的计算机重新建立了与Wi-Fi 的连接(Wi-Fi)，请检查您是否可以毫无问题地访问互联网。
重置无线网络适配器
禁用(Disabling)然后重新启用 PC 的无线网络适配器是Windows 10中与连接相关问题的另一个有效修复方法。
1. 按Windows + R打开运行框。
2.输入ncpa.cpl并选择OK。
3.网络(Network)和共享中心(Sharing Center)出现在屏幕上后，右键单击无线网络适配器并选择禁用(Disable)。
4. 最多等待 10 秒。
5. 再次右键单击Wi-Fi适配器并选择启用(Enable)。
续订 PC 的 IP 租约
如果重新启动路由器或禁用/重新启用无线网络适配器不能解决问题，您应该强制您的计算机更新 IP 租约(renewing the IP lease)。您可以通过Windows PowerShell运行多个命令来做到这一点。
1. 按Windows + X并选择Windows PowerShell。
2.按Enter(Enter)键的同时依次运行以下命令：
- ipconfig /release
- ipconfig /flushdns （可选）
- ipconfig /renew
3. 退出 Windows PowerShell。
重置 TCP/IP 堆栈
如果更新 IP 租约没有帮助，您应该reset your PC’s TCP/IP stack。这需要再次运行几个命令，但这次是通过提升的Windows PowerShell控制台。
1. 按Windows + X并选择Windows PowerShell (Admin)。
2.按Enter键(Enter)的同时依次运行以下命令：
- netsh winsock 重置目录(netsh winsock reset catalog)
- netsh int ip 重置(netsh int ip reset)
3. 退出命令提示符(Command Prompt)控制台并重新启动计算机。如果损坏的TCP/IP堆栈是错误的根源，您应该能够在线连接而不会出现问题。
重新安装无线网络适配器(Wireless Network Adapter)
如果您仍然收到“ Wi-Fi没有有效的 IP 配置”错误消息，则必须在计算机上卸载并重新安装无线网络适配器。这应该从等式中排除损坏的驱动程序。
1. 按Windows + X并选择设备管理器(Device Manager)。
2. 展开网络适配器(Network adapters)。
3. 右键单击您的无线网络适配器并选择禁用设备(Disable device)。
4. 选择是(Yes)。
5. 再次右键单击无线网络适配器并选择卸载设备(Uninstall device)。
6. 重新启动计算机，它应该会自动重新安装无线网络适配器。
注意：(Note:)如果您的电脑重启后无法检测并安装无线网卡，请再次打开设备管理器(Device Manager)，将您的电脑名称右击至顶部，然后选择扫描硬件更改(Scan for hardware changes)。
更新无线网络适配器
如果禁用并重新安装无线网络适配器没有帮助，则必须更新其驱动程序。Windows 10 默认安装通用驱动程序，但最好从设备制造商的网站获取最新副本。为此，您显然必须使用具有活动互联网连接的设备。
下载并传输驱动程序设置文件后，只需运行它并按照屏幕上的所有说明更新无线网络适配器。
自动获取 IP 地址
您是否使用自定义 IP 地址和DNS设置配置了 PC 的无线网络适配器？如果是这样，您应该切换回自动获取它们。
1. 按Windows + R打开运行(Run)框。然后，输入ncpa.cpl并选择OK。
2. 右键单击 Wi-Fi适配器并选择属性(Properties)。
3. 在网络(Networking)选项卡下，双击Internet Protocol Version 4 (TCP/IPv4) Properties。
4. 选择自动获取 IP 地址(Obtain an IP address automatically)和自动获取 DNS 服务器地址(Obtain DNS server address automatically.)旁边的单选按钮。
5. 对Internet Protocol Version 6 (TCP/IPv6) Properties重复步骤 3 和 4 。
更改路由器的SSID和密码(Password)
解决“ Wi-Fi没有有效的 IP 配置”错误的另一种方法是更改路由器的 SSID 和密码(change the SSID and password)。为此，您必须访问路由器的设置。
注意：(Note:)您需要路由器的网关 IP、用户名和密码才能访问其设置。您通常可以在路由器本身某处的标签上找到详细信息。
1. 在新的浏览器选项卡中输入网关 IP（在Chrome、Firefox或Edge 中），(Edge—and)然后按Enter。
2. 使用用户名和密码登录路由器。
3.筛选(Sift)路由器设置并更改SSID和密码。然后，保存您的更改。
完成此操作后，您必须使用新的SSID和密码更新 PC 与路由器的连接。不要(Don)忘记在连接到它的其他设备上更新网络。
运行(Run)网络适配器(Network Adapter Troubleshooter)疑难解答
既然您已经完成了大量修复工作，现在是时候使用Windows 10的网络故障排除程序再次诊断您的 Wi-Fi 连接了。
1. 按Windows + X并选择网络连接(Network Connections)。
2. 选择网络疑难解答(Network troubleshooter)。
3. 选择无线网络(Wi-Fi)。然后，选择下一步(Next)并按照屏幕上的说明解决任何问题。
如果您再次遇到“ Wi-Fi没有有效的 IP 配置”，请继续进行下一个修复。
重置 PC 的网络设置
是时候重置 PC 的网络设置(reset your PC’s network settings)了。这应该将每个与网络相关的设置恢复为默认设置，并可能永久修复不正确或损坏的配置。
1. 按Windows + X并选择网络连接(Network Connections)。
2. 选择网络重置(Network reset)。
3. 选择立即重置(Reset now)。
重置网络设置后，重新连接Wi-Fi，您可能不会再遇到“ Wi-Fi没有有效的 IP 配置”错误。
Wi-Fi IP 配置有效
您通常可以通过重新启动路由器、重置无线网络适配器或更新 IP 租约来解决“ Wi-Fi没有有效的 IP 配置”错误。但是，如果问题在一段时间后再次出现，我们建议您通过上述一些高级修复程序进行工作，直到它永久消失。
How to Fix a “Wi-Fi Doesn’t Have a Valid IP Configuration” Error
Do you keep running into a “Wi-Fi doesn’t have a valid IP configuration” error messagе while diаgnoѕing an inactive іnternet connection in Windows 10? That happens when your PC fails to secure a functioning IP (Internеt Protocol) address over Wi-Fi. You may also come across a similar IP-related error with Ethernet.
If restarting your computer didn’t fix the problem (try that if you haven’t already), then the troubleshooting tips that follow should help you sort things out.
Restart Your Router
In most cases, the “Wi-Fi doesn’t have a valid IP configuration” error shows up due to random faults on the router side. The solution—restart your router.
Start by turning OFF the router. Then, wait for at least 10 seconds before turning it back ON. Once your computer re-establishes its connection to Wi-Fi, check if you can access the internet without issues.
Reset Wireless Network Adapter
Disabling, and then re-enabling your PC’s wireless network adapter is another potent fix for connectivity-related issues in Windows 10.
1. Press Windows+R to open the Run box.
2. Type ncpa.cpl and select OK.
3. Once the Network and Sharing Center shows up on the screen, right-click the wireless network adapter and select Disable.
4. Wait up to 10 seconds.
5. Right-click the Wi-Fi adapter again and select Enable.
Renew Your PC’s IP Lease
If restarting the router or disabling/re-enabling the wireless network adapter didn’t resolve the issue, you should force your computer into renewing the IP lease. You can do that by running several commands via Windows PowerShell.
1. Press Windows+X and select Windows PowerShell.
2. Run the commands below one after the other while pressing the Enter key:
- ipconfig /release
- ipconfig /flushdns (optional)
- ipconfig /renew
3. Exit Windows PowerShell.
Reset the TCP/IP Stack
If renewing the IP lease didn’t help, you should reset your PC’s TCP/IP stack. That requires running a couple of commands again but via an elevated Windows PowerShell console this time.
1. Press Windows+X and select Windows PowerShell (Admin).
2. Run the commands below one after the other while pressing Enter:
- netsh winsock reset catalog
- netsh int ip reset
3. Exit the Command Prompt console and restart the computer. If a corrupted TCP/IP stack was at the source of the error, you should be able to connect online without problems.
Reinstall the Wireless Network Adapter
If you still keep receiving the “Wi-Fi doesn’t have a valid IP configuration” error message, you must uninstall and reinstall the wireless network adapter on your computer. That should rule out a corrupted driver from the equation.
1. Press Windows+X and select Device Manager.
2. Expand Network adapters.
3. Right-click your wireless network adapter and select Disable device.
4. Select Yes.
5. Right-click the wireless network adapter again and select Uninstall device.
6. Reboot your computer, and it should re-install the wireless network adapter automatically.
Note: If your computer fails to detect and install the wireless network adapter after the restart, open the Device Manager again, right-click your PC’s name to the top, and select Scan for hardware changes.
Update the Wireless Network Adapter
If disabling and reinstalling the wireless network adapter didn’t help, you must update its driver. Windows 10 installs a generic driver by default, but it’s a good idea to grab an up-to-date copy from the device manufacturer’s website. You must—obviously—use a device with an active internet connection for that.
Once you’ve downloaded and transferred the driver setup file, just run it and follow all on screen instructions to update the wireless network adapter.
Obtain the IP Address Automatically
Have you configured your PC’s wireless network adapter with a custom IP address and DNS settings? If so, you should switch back to obtaining them automatically.
1. Press Windows+R to open the Run box. Then, type ncpa.cpl and select OK.
2. Right-click the Wi-Fi adapter and select Properties.
3. Under the Networking tab, double-click Internet Protocol Version 4 (TCP/IPv4) Properties.
4. Select the radio buttons next to Obtain an IP address automatically and Obtain DNS server address automatically.
5. Repeat steps 3 and 4 for Internet Protocol Version 6 (TCP/IPv6) Properties.
Change the Router’s SSID and Password
Another way to fix the “Wi-Fi doesn’t have a valid IP configuration” error is to change the SSID and password of your router. To do that, you must visit the router’s settings.
Note: You need the router’s gateway IP, username, and password to gain access to its settings. You can typically find the details on a label somewhere on the router itself.
1. Enter the gateway IP into a new browser tab—in Chrome, Firefox, or Edge—and press Enter.
2. Log in to the router using the username and password.
3. Sift through the router settings and change the SSID and password. Then, save your changes.
Once you’ve done that, you must update your PC’s connection to the router with the new SSID and password. Don’t forget to update the network on other devices that connect to it as well.
Run the Network Adapter Troubleshooter
Now that you’ve already worked your way through a substantial number of fixes, it’s time to diagnose your Wi-Fi connection once more using Windows 10’s network troubleshooter.
1. Press Windows+X and select Network Connections.
2. Select Network troubleshooter.
3. Select Wi-Fi. Then, select Next and follow the onscreen instructions to resolve any issues.
If you run into the “Wi-Fi doesn’t have a valid IP configuration” again, move onto the next fix.
Reset Your PC’s Network Settings
It’s time to reset your PC’s network settings. That should revert every network-related setting to its default and likely patch out incorrect or corrupt configurations for good.
1. Press Windows+X and select Network Connections.
2. Select Network reset.
3. Select Reset now.
After resetting the network settings, reconnect to Wi-Fi, and you probably won’t run into the “Wi-Fi doesn’t have a valid IP configuration” error anymore.
The Wi-Fi IP Configuration Is Valid
You can usually resolve the “Wi-Fi doesn’t have a valid IP configuration” error by restarting the router, resetting the wireless network adapter, or renewing the IP lease. But if the issue recurs after some time, we recommend that you work your way through some of the advanced fixes above until it goes away permanently.
