有时您连接到WiFi但无法访问互联网。您的WiFi可用，但您的 WiFi 上会出现一个黄色三角形符号(WiFi)。您的计算机显示已连接到WiFi，但显示无法访问 Internet。连接到WiFi的所有设备都可能出现此问题，或者可能仅针对少数设备。如果您面临这个问题，那么您来对地方了。本文详细解释了解决该问题的解决方案。
WiFi已连接，但无法访问互联网
以下方法可帮助您解决Windows 10中的此 W-Fi 互联网连接问题。
- 重启你的电脑
- 重新启动调制解调器和路由器
- 重置温索克
- 重置 DNS
- 更新网络适配器驱动程序
- 更改 DNS
- 重置 IP 地址
- 使用网络重置选项。
1.重启你的电脑
当您无法连接到互联网时，首先要做的就是重新启动计算机。很多时候，重新启动系统可能会清除系统中的一些小故障。
2.重启你的调制解调器和路由器
除了您的计算机之外，如果所有其他设备都无法连接到 Internet，则可能是您的网络连接存在问题。重新启动调制解调器和路由器有助于清除路由器缓存，并可能修复一些小的网络故障。从插座上拔下调制解调器和路由器。等待(Wait)一段时间，然后重新插入。执行此操作时，请检查两个设备上的所有灯是否都已打开。如果您没有看到任何指示灯，则可能是您的硬件有问题。如果基本重启无法帮助您重新联机，请继续执行下一步以解决问题。
阅读(Read)：没有互联网，安全(No Internet, Secured)。
3. 重置 Winsock
要重置 Winsock(reset Winsock)，请按照以下步骤操作
转到开始菜单并在搜索框中键入命令提示符。(Command Prompt)
右键单击(Right-click)菜单中的命令提示符，然后单击(Command Prompt)以管理员身份运行。(Run as administrator.)
键入以下命令并按Enter。
netsh winsock reset
键入以下命令，然后按Enter。
netsh int ip reset
关闭命令提示符(Command Prompt)并重新启动计算机。
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4.重置DNS
有时，您当前 IP 地址的问题可能会导致 Internet 连接问题。在这种情况下，重置 DNS将有助于解决问题。(Resetting DNS)要重置DNS，请按照以下步骤操作。
转到开始菜单并在搜索框中键入命令提示符。(Command Prompt)
右键单击(Right-click)菜单中的命令提示符，然后单击(Command Prompt)以管理员身份运行。(Run as administrator.)
键入以下命令并按Enter。
ipconfig/release
键入以下命令并按Enter。
ipconfig/renew
关闭命令提示符并重新启动(Restart)计算机。
阅读：(Read:) 网络图标显示没有互联网访问权限(Network icon says No internet access)。
5.更新网络适配器驱动程序
大多数情况下，将网络适配器驱动程序(Adapter Driver)更新到最新版本有助于计算机顺利运行。这是如何做到的。
- 同时按下键盘上的Windows Key +X ，然后从菜单中单击设备管理器。(Device Manager)
- 选择(Select)网络(Network)适配器，然后从下拉菜单中右键单击您的设备。
- 从下拉菜单中单击更新设备。(Update device)
- 重新启动计算机并检查错误是否已修复。
- 单击确定以保存更改。
完成后检查问题是否已解决。
6.更改DNS
如果来自ISP的(ISP)DNS服务器无法正常运行，您可能会遇到连接问题。在这种情况下，将DNS更改为Google 公共 DNS(Google Public DNS)服务器可能会有所帮助。这是如何做到的。
- 同时按Windows Key +X 并单击Network Connections。
- 转到页面底部的更改适配器设置。( Change adapter settings)
- 右键单击您的网络连接，然后从下拉菜单中单击属性。(Properties)
- 在“属性(Properties)”窗口中选择Internet Protocol Version 4((TCP/IPv4) ，然后单击“属性(Properties)”按钮。
- 单击带有选项(Click)使用以下 DNS 服务器地址(Use the following DNS server address.)的单选按钮。
- 在首选 DNS(Preferred DNS)服务器选项旁边，键入 8.8.8.8。
- 现在在备用 DNS(Alternate DNS)服务器旁边，键入 8.8.4.4。
- 单击确定并重新启动(Restart)系统。
7.重置IP地址
如果 IP 地址配置不正确，您可能会面临网络连接问题。在这种情况下，在命令提示符中重置 IP 地址应该会有所帮助。这是如何做到的。
转到开始菜单(Start Menu)并在搜索框中键入命令提示符。(Command Prompt)
右键单击(Right-click)菜单中的命令提示符(Command Prompt)，然后单击以管理员身份运行。(Run)
键入以下命令并按Enter。
ipconfig/flushdns
现在键入以下命令并在命令提示符下键入每个命令后按键盘上的Enter键。(Enter)
nbtstat -R
nbtstat -RR
Netsh int ip reset c:\resetlog.txt
Netsh winsock reset
完成后关闭命令提示符窗口并重新启动系统。
在开始菜单上，键入控制面板并单击它。
转到 网络(Network)和共享中心(Sharing Center)，然后单击更改(Change)适配器设置。
右键单击您的WiFi适配器，然后从下拉菜单中选择禁用。(Disable)
等待几分钟，然后从同一菜单中再次启用它。
8.使用网络重置选项
打开 Windows 10 设置并使用网络重置选项。这可能会解决所有 WiFi 连接问题(resolve all WiFi connectivity issues)。
就这样。
WiFi connected, but no internet access on Windows 10
Sometimes you сonnect to WiFі but you don’t haνe acсess to the internet. Yoυr WiFi is available but a yellow triangular symbol aрpears on your WiFi. Your computer shows it is connected to WiFi but says no internet access. This problem may occur to all the devices connected to the WiFi or may be specific to only a few dеviceѕ. If you are facing this problem yoυ are in the right place. This articlе explains in detail solutions to resolνe the issue.
WiFi connected, but no internet access
The following methods help you resolve this W-Fi internet connectivity issue in Windows 10.
- Restart your computer
- Reboot your Modem and Router
- Reset Winsock
- Reset DNS
- Update Network Adapter Driver
- Change DNS
- Reset IP address
- Use Network Reset option.
1. Restart your computer
The first and foremost thing to do when you can’t connect to the internet is to restart your computer. Many a time, restarting your system may clear some minor faults in your system.
2. Reboot your Modem and Router
In addition to your computer, if all other devices are not able to connect to the internet, probably there is an issue with your network connection. Rebooting the modem and router helps to clear router cache and may possibly fix some minor network glitches. Unplug the modem and router from the socket. Wait for some time and plug them back again. While doing this check if all the lights are turned-on on both the devices. If you don’t see any lights probably there is a problem with your hardware. If the basic reboot didn’t help you to get back online, proceed to the next step to fix the problem.
Read: No Internet, Secured.
3. Reset Winsock
To reset Winsock, follow the below steps
Go to Start Menu and type Command Prompt in the search box.
Right-click on the Command Prompt from the menu and click Run as administrator.
Type the following command and hit Enter.
netsh winsock reset
Type the following command and press Enter.
netsh int ip reset
Close the Command Prompt and restart your computer.
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4. Reset DNS
Sometimes the problem with your current IP address can cause internet connectivity issues. Resetting DNS would help resolve the problem in such a case. To reset the DNS, follow the below steps.
Go to Start Menu and type Command Prompt in the search box.
Right-click on the Command Prompt from the menu and click Run as administrator.
Type the following command and hit Enter.
ipconfig/release
Type the following command and hit Enter.
ipconfig/renew
Close the Command Prompt and Restart your computer.
Read: Network icon says No internet access.
5. Update Network Adapter Driver
Most of the time, updating your Network Adapter Driver to the latest version help run the computer smoothly. Here is how to do it.
- Press Windows Key +X simultaneously on your keyboard and click Device Manager from the menu.
- Select the Network adapter and right-click on your device from the dropdown menu.
- Click Update device from the drop-down menu.
- Restart your computer and check if the error is fixed.
- Click OK to save changes.
Once done check if the problem is resolved.
6. Change DNS
You may face connectivity issues if your DNS server from ISP is not functioning properly. In such a case, changing DNS to the Google Public DNS server might help. Here is how to do it.
- Press Windows Key +X simultaneously and click Network Connections.
- Go to Change adapter settings at the bottom of the page.
- Right-click on your network connection and click Properties from the drop-down menu.
- Select Internet Protocol Version 4((TCP/IPv4) in the Properties window and click the Properties button.
- Click on the radio button with the option Use the following DNS server address.
- Next to Preferred DNS server option, type 8.8.8.8.
- Now next to Alternate DNS server, type 8.8.4.4.
- Click OK and Restart your system.
7. Reset IP address
You may face network connectivity issue mostly if the IP address is not configured properly. In that case, resetting IP addresses in the command prompt should help. Here is how to do it.
Go to Start Menu and type Command Prompt in the search box.
Right-click on the Command Prompt from the menu and click Run as administrator.
Type the following command and hit Enter.
ipconfig/flushdns
Now type the following commands and hit Enter key on your keyboard after typing each one on your command prompt.
nbtstat -R
nbtstat -RR
Netsh int ip reset c:\resetlog.txt
Netsh winsock reset
Once done close the command prompt window and restart your system.
On the start menu, type control panel and click on it.
Go to Network and Sharing Center and click Change adapter settings.
Right-click on your WiFi adapter and select Disable from the drop-down menu.
Wait for few minutes and Enable it again from the same menu.
8. Use Network Reset option
Open Windows 10 Settings and use the Network Reset option. This will likely resolve all WiFi connectivity issues.
That’s all.
