The wifi is connected and cannot access the Internet but others can use it. What's going on?

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.

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