

WiFi is connected but cannot access the Internet, troubleshooting reasons and solutions: IP address conflict: check and assign a unique IP address; network setting error: check and correct the DNS server address; Wireless interference: stay away from interference sources, use 5GHz Frequency band, switch channel; router problem: restart the router, check the indicator light, update firmware; ISP problem: contact ISP to eliminate line interruption or congestion.
Causes and solutions when WiFi is connected but unable to access the Internet
Problem: WiFi Connected, but unable to access the Internet, while others can.
Cause:
- IP address conflict: Multiple devices try to use the same IP address, causing network conflicts.
- Network settings error: The network settings (such as DNS server) on the device are not configured correctly.
- Wireless interference: Wireless signals emitted by other electronic devices (such as microwave ovens or Bluetooth devices) interfere with the WiFi connection.
- Router problem: The router is faulty or misconfigured, resulting in the inability to provide Internet access.
- ISP Problem: Your Internet Service Provider (ISP) is experiencing outages or congestion on its lines.
Treatment measures:
1. Check IP address conflicts:
- Ensure that each device All have unique IP addresses.
- Restart the router and all connected devices.
- Use IP Scanner to find conflicting IP addresses.
2. Check the network settings:
- Make sure the DNS server address on the device is correct.
- Try using other DNS servers such as Google DNS (8.8.8.8 and 8.8.4.4).
3. Solve wireless interference:
- Move the router away from the source of interference.
- Use the 5GHz band as it is less susceptible to interference.
- Use a WiFi analyzer to find crowded channels and switch to other channels.
4. Troubleshoot router problems:
- Restart the router.
- Check whether the indicator lights on the router are normal.
- Make sure the router firmware is up to date.
5. Contact your ISP:
- If none of the above steps solve the problem, please contact your ISP.
- They can check the line for interruptions or congestion.
- They can also provide additional support, such as replacing faulty equipment.
The above is the detailed content of The wifi is connected and cannot access the Internet but others can use it. What's going on?. For more information, please follow other related articles on the PHP Chinese website!

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