Network Connection Error And How To Fix It Successfully

This article will provide detailed step-by-step instructions to fix the legendary yellow exclamation mark on the network icon error. This error is prevalent when the computer connects to the Internet and deals with no connection problems.

I will guide you through easy to difficult steps to fix the yellow exclamation mark on this network icon. Please follow each step in turn.

#1: Recheck the jack, delete the Wifi network, and reconnect.

  • If using a wired network, you can unplug the cord and plug it back in.
  • If you use a Laptop, try the function of turning off / on the Wifi network and delete the Wifi network (Forgot Wifi) you are using and reconnect from the beginning.

Implemented on Windows 7 operating system

Follow the instruction:

+ Step 1: Right-click on the network icon in the lower right corner of the screen (on the Taskbar) => selectOpen Network and Sharing Center

+ Step 2: Next, click Manage Wireless Networksto enter the management of Wifi networks you have saved.

+ Step 3: The window will appear the Wifi list that you have saved before. Here I am using a network called crazyso you choose crazy => and clickRemove

=> Finally, you click on the Wifi icon and reconnect. If not, then go to step 2.

Implemented on Windows 8, 8.1 and 10


Left-click on the Wifi icon at the bottom of the Taskbar => right-click on the name of the Wifi network you are connecting to.

=> Then click Forget this networkto forget the password => then you re-enter the password to connect to Wifi.

On Windows 10, you can do the same as on Windows 8 and 8.1.

#2: Renew IP address

If your computer uses dynamic IP, you can use IP refresh to change to a different IP range.  Sometimes, but very rare, your computer might have the same IP as another device, so an error occurs.

To do this, Startselect Runor press the key combination Windows + Rto open the RUN dialog box. Type command cmd => click Enterto execute.

A window cmdappears, use the command ipconfig /release=> then click Enterto execute: This command helps you delete the old IP that is failing.

Next, type the command ipconfig /renewto let the computer receive the new IP.

Then restart your computer for it to take effect. If it still doesn’t work, move on to the next step.

#3: Set a static IP for your network (the most efficient way)

The yellow exclamation error may be caused by your computer having the same IP address as another machine, so we need to SET it for a new IP range. We will show you how to change your static IP address.

Follow these steps:

You can quickly enter the window Network Connectby opening the Run dialog box ( Windows + R) => type ncpa.cpl=> press Enter=> then right-click the network icon you are using and select Properties.

Or do it manually like this:

Right-click on the network icon => select Open Network and Sharing Center=> In the window Network and Sharing Centeryou click to select Wireless Network Connection => select nextChage

Next, you click Properties to set static IP.

Next, fill in the following information:

At the IP address section – the first 3 IP numbers 192.168.1are the network layer. It must coincide with the network layer of the Modem or Router that you are using.

Note: You can go to another computer to see what their IP address class is by using the ipconfig /all command

And the last number of that sequence is the IP address of your computer. This number must not be coincident with other computers on the LAN because there will be a dispute. One of the two machines will lose the network, or The connection will lose both. lost.

Here I will try to set it as 150 , you can get numbers between 1 and 254 as long as it is different from the modem’s address and the IP of another machine. If one doesn’t work, you can try another one.

=> After I finish, I will have a full sequence of numbers that is

Subnet mask: Let the machine fill in automatically.

The Default Gateway part is the gateway for us to connect to the outside or connect via the internet, so please enter the correct IP of the modem.

Usually, only one of the two ranges is used, and My modem uses the range

=> Click OK for the computer to receive the new IP.

Note: If it still doesn’t work, try another number sequence, for example,…


Above are the 3 most effective ways to help you successfully fix the yellow exclamation error in the network icon. If you do all and it still doesn’t work, 99%, your network provider’s fault. Give them a call so they can fix the problem. Hopefully, this article will be useful for you. Good luck!

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