Instructions for fixing WiFi error with yellow exclamation mark - Common error when using Wifi network

 What to do when encountering this situation? We would like to guide you on how to fix the yellow exclamation point Wifi error

Method 1: Restart WiFi devices: modem, router

First, you should restart the Wifi device. Turn off the Wifi device, wait about 1-2 minutes, then plug it back in.

Note : Just turn off the power, not restart Wifi. Then try turning Wifi back on to see if the connection is normal or not.

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If it still doesn't work, try using another computer to reconnect to the Wifi. If the other computer can connect normally, it means your computer is having an IP conflict. To fix this situation, follow method 2 below.

Method 2: Refresh IP address

Some cases that cause WiFi yellow exclamation error on laptops are due to your device's IP address conflict. In this case, please refresh the IP and change to another IP range to fix the error.

Refer to the article: Fix IP address conflicts on Windows computers

Method 3: Reset static IP for the computer

If using dynamic IP like method 2 still doesn't work, you should set a static IP for your device.

Step 1 : Right-click on the network icon and select Open Network And Sharing Center.

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Step 2 : In the Settings window that appears, select Network and Sharing Center.

Step 3: Go to the Network and Sharing Center window , click on the network you are connecting to, select Properties.

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Step 3: Now a new popup window appears on the screen, here you click Internet Protocol Version 4 (TCP/IPv4) , then select Properties.

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Step 4: The new interface displays, select the Use the following IP address line and fill in the following parameters:

1. IP address ( write this down yourself ): for example 192.168.1.15 (note: 192.168.1 is required because this is the modem's parameter, you can only change the number 15 to another number. For example: 192.168.1.16 or 192.168.1.20….)
2. Subnet mask : default is 255.255.255.0
3. Default Gateway : please enter 192.168.1.1

Continue to select Use the following DNS server addresses and enter Google's DNS address:

Preferred DNS Server: 8.8.8.8 Alternate DNS Server: 8.8.4.4

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Once done, select OK and you're done.

Note : If when you open it, your computer has already set a static IP, please switch to a dynamic IP by checking the Obtain an IP address automatically button and reconnect to Wifi to see if it works. If not, you can reset the static IP to a different static IP.

Method 4: Reinstall the Wifi driver for your computer

The Wifi error with a yellow exclamation mark could also be due to a faulty Wifi driver in your computer. Please install and update the Wifi driver and reconnect to see how it goes.

Step 1: Open the Run command window by pressing the key combination Windows+ R.

Step 2: Here you enter the following command and then click OK.

devmgmt.msc

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Step 3: The Device Manager window appears on the screen . Here you find the option called Network adapters and expand Network adapters by clicking on the downward arrow. Right-click the adapter you use, select the Update driver option.

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Step 4: Next, select Search automatically for updated driver software and wait to complete the update process .

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When the process is finished, close the Device manager window and restart your PC.

If you still cannot fix it, continue with the following steps:

Step 5: Select the second option Browse my computer for driver software .

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Step 6: Click Let me pick from a list of device drivers on my computer.

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Step 7: Select the appropriate driver from the list and click Next.

Step 8: When the process is finished, close the Device manager window and restart your PC.

Check to see if the computer error is gone.

Method 5: Reconfigure the wifi device

If you have done all the above methods and still cannot connect to Wifi successfully, it is likely that your device is faulty and you will have to reconfigure it. If you don't know how to configure wifi, you can refer to our article below.

Above are all the ways to fix every time the network has a yellow exclamation mark. Hope the above methods will help you fix errors successfully!

David Pac

Update 10 June 2024