Fixing Yellow Marked WiFi: Resolving Network Issue

Typically, yellow marked WiFi issues are indicated as Limited access. This problem may arise due to multiple users accessing the network simultaneously. However, the cause of the yellow marked WiFi issue can also be IP conflicts or connectivity issues. It's difficult to pinpoint the exact cause of the yellow marked WiFi issue right away, so in this article, you need to go through each step to diagnose and fix the issue.

Fixing Yellow Marked WiFi: Troubleshooting Wired Network Connection

This phenomenon occurs on any Windows operating system, including the latest version such as Win 10 WiFi issues which still occur frequently. If you're using Windows 10 and encountering WiFi issues with a yellow exclamation mark, you should find solutions as soon as possible.

Fixing WiFi Yellow Mark Issue

1. Check Modem and Network Cable

The yellow marked WiFi issue can be caused by problems with the modem or the network cable connected to the modem. When the computer connects to the modem but does not receive an Internet signal, it will display the yellow marked WiFi error on the laptop. To resolve this issue, you need to check the Internet indicator lights on the modem and reset the modem if there are any issues. If there are network errors, you should contact your service provider for assistance in fixing the yellow marked WiFi issue.

2. Fixing yellow marked WiFi by updating WiFi driver

Some cases of yellow marked WiFi error are caused by outdated WiFi drivers. To automatically update the WiFi driver, follow these steps:

Step 1: Access Control Panel on your computer. You can refer to how to access Control Panel on different operating systems.

Step 2: In Control Panel, locate the Device Manager section.

Step 3: In Device Manager, locate the Network Adapter section, right-click on the Wi-Fi device in use, select Update Driver Software…

Step 4: Click Search automatically for updated driver software to automatically update the Wi-Fi driver and fix the yellow marked Wi-Fi error

3. Utilize search and fix tool

Windows has a Diagnose function to diagnose and fix errors. You can use this feature to troubleshoot the issue of yellow marked Wi-Fi on your computer. Follow the steps below to fix the yellow marked Wi-Fi error:

Step 1: In Control Panel, locate the Network and Sharing Center section

Step 2: Click Change adapter settings

Step 3: Right-click on the Wi-Fi connection, select Diagnose. Windows' error search tool will check for issues on your laptop and automatically fix the yellow marked Wi-Fi error.

4. Renew the laptop's dynamic IP address

Step 1: Open the Run window by pressing Windows + R. Type in the keyword “cmd”

Step 2: Once the Command Prompt program appears, enter the command

ipconfig/release

then press Enter

Step 3: Proceed to enter the command ipconfig/renew

then press Enter. Reconnect to the network and check if the issue of wifi with a yellow mark persists.

5. Resetting Static IP for the Wi-Fi Connection

After setting a dynamic IP for the connection and still unable to resolve the issue of wifi with a yellow mark, you should reset the static IP for the Wi-Fi connection and try again. Follow these steps:

Step 1: In the Control Panel, locate the Network and Sharing Center section.

Step 2: Click on the Wi-Fi connection.

Step 3: Press Properties.

Step 4: Double-click on Internet Protocol Version 4.

Step 5:  Select Use the following IP address, then enter a static IP range for your computer.

IP Address: 192.168.1 is fixed, the last number in the IP range is optional but must not conflict with the IP of the computer currently using the network. Here, I'll set the IP range to be 192.168.1.2.

Note: The IP Address of each network provider will also vary.

Subnet Mask: Keep the default as 255.255.255.0

Default Gateway: This range will share the same prefix as the IP. Here it's 192.168.1.1 with 1 at the end as default.

Preferred DNS server and Alternate DNS server: Set these to Google's default DNS range, which is 8.8.8.8 and 8.8.4.4 respectively.

Step 6: Click OK to confirm. Now, you need to check again if the yellow wifi error persists. If it does, you should immediately switch back from static IP to dynamic IP.

6. Fixing yellow Wifi network through Network Troubleshooter

Step 1: Right-click on the network icon in the Taskbar, then select Troubleshoot Problems.

Step 2: Follow the on-screen instructions.

Step 3: Press Windows + W, then type Troubleshooting and press Enter.

Step 4: On the displayed window, choose Network and Internet.

Step 5: On the next window, click on Network Adapter.

Step 6: Finally, follow the on-screen instructions to fix the issue of Wifi network with yellow exclamation mark when plugging in the internet cable.

Read more: How to fix a network with a yellow exclamation mark?

Step 7: Try resetting TCP/IP

If the above method is not available, try resetting TCP/IP to fix the issue of Wifi network with yellow exclamation mark when plugging in the internet cable and check if the issue persists.

Step 1: Right-click on the Start button located at the bottom-left corner of the Taskbar, select Command Prompt(Admin).

Step 2: Enter the following command into the Command Prompt window:

netsh int ip reset c:\resetlog.txt

Step 3: If you don't want to specify the directory path, you can use the command:

netsh int ip reset resetlog.txt

Step 4: Restart your computer and check if the issue persists.

8. Modify Bitdefender firewall or other antivirus program settings

Follow the steps below to modify Bitdefender firewall or other antivirus program settings:

Step 1: Open the Bitdefender Internet Security or other antivirus program settings on your computer, select Firewall.

Step 2: Click on the Advanced Settings button.

Step 3: Choose Enable Internet Connection Sharing.

Note: If you can't find the option mentioned, locate and disable the Block Internet Connection Sharing option.

Step 4: Click on OK to save the changes.

Step 5: If the above method is not available, try disabling the antivirus program firewall and activate the Windows firewall on your computer.

Most users reported that this method can help fix the issue of Wifi network being marked as yellow when connecting to the internet via Ethernet cable.

9. Change Adapter Settings

Step 1: Open Bitdefender, select Protection module =>Firewall feature.

Step 2: Ensure the firewall is enabled, then access the Adapters tab and modify the following settings:

- Set Network type to Home/Office.

- Set Stealth Mode to OFF.

- Set Generic to ON.

Step 3: Restart your computer to apply the changes and check if the issue of the Wifi network showing a yellow mark persists when plugging in the internet cable.

10. Configure Wifi Card

If none of the above methods work, try configuring the Wifi card to fix the issue of Wifi network showing a yellow mark when plugging in the internet cable:

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

Step 2: Click on your Wifi network, then select Properties.

Step 3: In the Wifi Properties window, click on Configure.

Step 4: Go to the Power Management tab and uncheck the option Allow the computer to turn off this device to save power.

Step 5: Finally, restart your computer and check if the issue has been resolved.

11. Reset TCP / IP Auto-tuning

Step 1: Right-click on the Start button at the bottom left corner of the Taskbar, select Command Prompt (Admin).

Step 2: Enter each of the following commands into the Command Prompt window:

netsh int tcp set heuristics disabled

netsh int tcp set global autotuninglevel=disabled

netsh int tcp set global rss=enabled

Step 3: Finally, restart your computer and check if the Wifi issue with the yellow mark persists. If the issue remains, continue to explore some other troubleshooting methods below.

12. Activate Metered Connection control

To activate Metered Connection control, follow the steps below:

Step 1: On the Start Menu, click to open Settings.

Step 2: In the Settings window, click on Network & Internet.

Step 3: Here, find and click on the Advanced options setting.

Step 4: Set the Metered connection option to ON.

Step 5: Finally, restart your computer to apply the changes.

Step 12: Set Roaming Aggressiveness to Maximum

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

Step 2: Choose your Wi-Fi network, then click on Properties.

Step 3: In the Wi-Fi Properties window, click on Configure.

Step 4: Navigate to the Advanced tab and locate the Roaming Aggressiveness setting.

Step 5: Change the value in the Value field to Highest, then click OK.

Step 6: Restart your computer to apply the changes and check if the issue persists.

Mytour just guided you through the steps to fix the yellow exclamation mark Wi-Fi issue when connecting to the internet via cable. Hopefully, this trick will help you in such situations. However, if you've tried everything and still can't resolve it, consider contacting your network provider for assistance. Additionally, if you experience slow internet speed, you can Check your Internet connection speed on your computer. Checking your Internet speed will help you make the best preparations if you want to play games or download large files from the internet.

If you're using Wi-Fi, sometimes you might be sharing it with others, causing the network to become unstable. Try changing your Wi-Fi password to a new one. Changing Wi-Fi passwords is quite simple and varies depending on the manufacturer of your modem.

Suddenly unable to connect to the network despite trying everything? If you're wondering why your Wi-Fi won't connect, you need to identify the root cause and have the right knowledge to address the issue. Mytour is here to provide you with the answers and essential knowledge you need.