首先運行網(wǎng)絡疑難解答，1. 運行網(wǎng)絡疑難解答以自動修復常見問題，2. 重啟路由器和電腦以清除臨時故障，3. 通過管理員命令提示符執(zhí)行ipconfig /release和ipconfig /renew命令重新獲取IP地址，4. 執(zhí)行netsh winsock reset、netsh int ip reset和ipconfig /flushdns命令重置網(wǎng)絡堆棧並清除DNS緩存，5. 檢查IP地址衝突並考慮設置靜態(tài)IP或調(diào)整路由器DHCP設置，6. 在設備管理器中更新或重新安裝Wi-Fi驅(qū)動程序，7. 可選擇禁用IPv6以排除協(xié)議干擾，8. 登錄路由器管理界面檢查DHCP是否啟用及MAC過濾等設置，多數(shù)情況下通過上述步驟可快速恢復互聯(lián)網(wǎng)連接，問題通常得以解決。

If your Windows PC shows a “l(fā)imited connectivity” Wi-Fi error, it means your device is connected to the router but can't get proper internet access—usually because it failed to obtain a valid IP address. This is a common networking issue, but it's usually fixable with a few straightforward steps.

Here's how to troubleshoot and fix limited connectivity on Windows:

1. Run the Network Troubleshooter

Windows includes a built-in tool that can detect and fix common network problems.

• Right-click the Wi-Fi icon in the system tray.
• Select "Troubleshoot problems" .
• Let Windows scan and apply automatic fixes (like resetting adapters or renewing IP).

This often resolves the issue immediately, especially if it's a temporary glitch.

2. Restart Your Router and Computer

Many connectivity issues stem from temporary router or modem malfunctions.

• Turn off your router and modem.
• Wait 30 seconds, then power them back on.
• Restart your Windows PC after the router is fully online.

This clears temporary network hiccups and forces a fresh connection.

3. Renew Your IP Address

“Limited connectivity” often happens when Windows fails to get an IP address from the router via DHCP.

Open Command Prompt as administrator:

• Press Win X , then choose Command Prompt (Admin) or Windows Terminal (Admin) .
• Run these commands one at a time:

 ipconfig /release
ipconfig /renew

If the ipconfig /renew command fails or gives an APIPA address (like 169.254.xx), the issue is likely with the router's DHCP or your connection to it.

4. Flush DNS and Reset Network Stack

Corrupted network settings or DNS cache can interfere.

In the same admin Command Prompt, run:

 netsh winsock reset
netsh int ip reset
ipconfig /flushdns

Then restart your computer . This resets network components to default settings and clears stale configurations.

5. Check for IP Address Conflicts

If another device on the network has the same IP, conflicts can cause limited connectivity.

• Try setting a static IP temporarily (but outside the router's DHCP range).
• Or ensure your router reserves IPs properly via DHCP.

But in most cases, simply rebooting the router and PC resolves conflicts.

6. Update or Reinstall Wi-Fi Driver

Outdated or corrupted drivers can cause connection issues.

• Press Win X > Device Manager .
• Expand Network adapters .
• Right-click your Wi-Fi adapter > Update driver .
• Choose “Search automatically for updated driver software.”

If that doesn't help, try:

• Right-clicking the adapter > Uninstall device .
• Then restart your PC—Windows will reinstall the driver automatically.

7. Disable IPv6 (Optional)

Sometimes IPv6 misconfiguration can interfere.

• Go to Control Panel > Network and Sharing Center > Change adapter settings .
• Right-click your Wi-Fi connection > Properties .
• Uncheck Internet Protocol Version 6 (TCP/IPv6) .
• Click OK and reconnect.

You can re-enable it later if needed.

8. Check Router Settings

If multiple devices have issues, the problem may be the router:

• Ensure DHCP is enabled.
• Check if MAC filtering is blocking your PC.
• Log into the router's admin page (usually 192.168.1.1 or 192.168.0.1) and verify settings.

Most limited connectivity errors are resolved with a router restart, IP renewal, or driver update. If the problem persists across multiple networks, it could point to a hardware issue with your Wi-Fi adapter.

But in the vast majority of cases, the steps above will get you back online quickly.

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