The fastest and most effective way to fix wifi errors with exclamation marks

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2021-07-28 19:59:19

(CHK) Surely, more or less, you have encountered an exclamation of WiFi error in the network icon. WiFi error exclamation point is quite common on computers. The cause of this situation is because the number of people accessing the network at the same time is too much or due to IP address conflicts leading to the failure to access the network.

In this article, I will show you how to fix WiFi network errors with exclamation marks that are sure to succeed, please refer.

1. Restart WiFi modem modem

First, you should restart the WiFi modem by turning off the power button or unplugging the power cord, then wait 1 to 2 minutes to turn it on or plug it back in and check the device is connected to the Internet.

Restart the WiFi modem

If this method still fails and check other devices are still connected normally, your device may be having an IP address conflict. To fix the IP conflict situation, you set up a static IP by the way below.

2. Set up a static IP

Step 1. You right click on the icon biểu WIFI below the bar Taskbar and choose Open Network & Internet Settings.


Step 2. Windows Status appears, you choose Network and Sharing Center.


Step 3. Next, you choose a name WiFi > Properties.


Step 4. A new window appears, choose Internet Protocol Version 4 (TCP/IPv4) > Properties.


Step 5. This table appears, you choose Use the following IP address to set up a static IP.

The Use the following IP address section you set up as follows.

  • IP Address: 192.168.1.X (X is the number from 2 to 254 you can choose a comfortable number, like I choose 15 for example).
  • Subnet mask: This will automatically fill in (
  • Default gateway:

In the Use the following DNS server addresses section, set up as follows.

  • Preferred DNS server:
  • Alternate DNS server:

This is Google’s DNS you can also set up if you can’t access Facebook when blocked.

3. Use DOS command to re-grant dynamic IP

Step 1. First you open the window Command Prompt by typing CMD in the Windows search box.


Step 2. You type ipconfig/release right after the location C:UsersAdmin> then press Enter to start freeing your IP address.


Step 3. Continue typing the command ipconfig /renew and then Enter to refresh the IP address. Now try to connect to the Internet again to see if it works or not.


Above are the 3 simplest ways to fix WiFi network with exclamation mark. Good luck.


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