How to fix computer network errors with yellow exclamation


The network is covered with yellow exclamation, which makes your computer unable to access the internet, this is a frequent error due to many causes such as identical IP address, old network equipment, loose network connection wire, etc. Use below to learn how to fix it


Network exclamation error There are many causes, the main causes of this phenomenon include: duplicate IP address, outdated network equipment, loose network connection, etc.

How to fix yellow exclamation network error on the computer offline

Method 1: Reconnect your network device

Try removing and re-connecting your network cable, when you see the image of a yellow flashing light at the connection port, you have plugged in the correct connector. If there is still an exclamation mark when the cord is connected correctly, try turning on / off again Modem to reconnect to the network

Method 2: Set the IP address, DNS system

Step 1: Right-click the network icon, select Open Network and Sharing center or open Control Panel -> Network and Sharing center.

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Step 2: Left click on the network you are connected to

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Step 3: Selection Properties.

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Step 4: Scroll down to find and double-click the line Internet Protocol Version 4 (TCP / IPv4)

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Step 5: At the Internet Protocol Version 4 (TCP / IPv4) Properties window. You tick the set Obtain an IP address automatically let the system automatically assign an IP address to your computer and check it Use the following DNS sever address to add Google DNS address as shown below

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Step 6: If you did not try the above 2 ways, continue to try method 3

Method 3: Reset IP by Command Prompt

Step 1: Press the key combination Windows + R to open the dialog box Run. Then type cmd and press Enter.

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Step 2: On the Command Prompt window, type the following two lines and Enter respectively

Ipconfig / release
Ipconfig / renew

With this method, most IP congestion can be solved, resulting in exclamation of network. If there is no method to fix this problem, it is possible that your network equipment (modem, router, etc.) is broken or your communication problem, please try calling the provider. Your network level for assistance.

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Computer network with yellow exclamation mark is one of many reasons why computers cannot access the network, in addition to many other causes such as minimal network drivers, broken cables … most of the causes to the situation that the computer cannot access the network, there is a way to fix it, so you should not worry too much about the broken computer.

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