Instructions for fixing Wifi errors with yellow exclamation

The yellowish-white Wifi error occurred quite popularly in the Wifi device, making the computer unable to catch WiFi. This error occurs when IP conflicts or the number of Wi-Fi connections leading to the network is limited. What should I do to meet this situation? We would like to guide you how to fix Wifi errors with yellow exclamation

Method 1: Restart Wifi device: modem, router

First, you should restart your Wifi device. Turn off the power of the Wifi device, wait for 1-2 minutes, then plug it back in again. Note: only power off and not restart Wifi. Then try turning on Wifi again to see if the connection is normal.

If still not, try using another computer to connect to Wifi again, if another computer is connected normally, it will show that your computer is having IP conflict. To remedy this situation, you follow the following 2 ways.

Method 2: Reset the static IP to the computer

Step 1: You right-click on the network icon select Open Network And Sharing Center

Step 2: Next, choose Change Adapter Settings

Step 3: Right-click the connected Wifi and select Properties

Step 4: Double click Internet Protocol Version 4 (TCP / IPv4)

Step 5: The new interface shows you select the Use the folowing IP address line and fill in the following parameters:

• IP address (this is what you write yourself): for example 192.168.1.15 (note: 192.168.1 is required because this is the parameter of the modem, you can only change the number 15 to another number. For example, 192.168.1.16 or 192.168.1.20 ....)
• Subnet mask: default is 255.255.255.0
• Default Gateway: Please enter 192.168.1.1

Continuing to select Use the folowing DNS server addresses, you enter Google DNS at 8.8.8.8 and 8.8.4.4.

After finishing, you select OK is finished

Note: If you open a computer that has already set a static IP, switch to dynamic IP by clicking on the Obtain an IP address button automatically and connect to Wifi again. If this is not possible, you can reset the static IP other than the original static IP.

Method 3: Re-issue dynamic IP with DOS commands

First, open the RUN window (Windows + R shortcut) -> type cmd-> DOS interface and type ipconfig / release. Enter-> Continue typing ipconfig / renew to complete Enter. Now try connecting again to see if it's okay

Wifi error is subject to yellow exclamation also because the Wifi driver in your computer is faulty, please reinstall the Wifi driver and reconnect to see how.

Method 5: Reconfigure the wifi device

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

Instructions for installing Wifi Router Tenda W311R

Above is the whole way to fix it every time the network is yellowed. Hope these ways will help you fix errors successfully!