Fix Unidentified Network And No Network Access Or Limited Access

Network Limited AccessUnidentified Network and No Network Access seem to very common issue now days. It can occur in any device which use internet via WIFI or Ethernet Cable. In this article, the steps we will discuss for Windows Vista, Windows XP, Windows 7, Windows 8, Windows 8.1 and Windows 10.

What exactly is going on is that the Ethernet or WIFI dock is not getting an IP and Gateway Address from the router or Modem.

Cause & Resolution for No Network Access

Cause :-

NOTE :- There will be many reasons for this issue. Some of them are listed below, which I found commonly:-cause-1

  1. The problem can occur while updating the Wi-Fi adapter driver.
  2. Adware’s might change registry settings.
  3. Due to wrong or malicious proxy settings.
  4. Something wrong with Firewall settings, due to which it gets blocked.
  5. Security software might stick/block on confliction.
  6. Two or more devices assigned same IP Address.
  7. Static Charge also can cause the same issue.
  8. Sometimes there is some issue with ISP, in case of Limited Network.
  9. Router/Modem Firmware needs Upgrade.
  10. The computer is connected to Router via LAN and WIFI both.
  11. Virtual Ethernet Adapters to your virtual machine causing confliction.
  12. And much more……………….

Resolution :-

Due to multiple reasons for an issue, there are multiple possible solutions. I will be Listed Every Possible solution for the issue along with a checklist, you need to check which needs to perform on your Device. If you are still not sure, you can drop us a message along with symptoms. We will send you a suitable solution for it.resolution

Following are the methods which we are going to discuss for Troubleshooting :-

  • Method 1 :- To fix automatically Run Network Adapter Troubleshooters.
  • Method 2 :- Manipulate TCP chimney offload by enabling and disabling.
  • Method 3 :- Reset TCP/IP Stack
  • Method 4 :- Restart your router or modem & network connection
  • Method 5 :- Perform power cycle for your home network

Method 1 :- Run Network Adapter Troubleshooters

Step 1: Run the Network Troubleshooter

The Network troubleshooter is Microsoft product and comes along with windows. This is an automated tool and can find and automatically fix some common networking errors. To run it please Follow the steps.network-connection

  1. Press “Windows Logo” + “W” keys from the keyboard.
  2. Type “Network Troubleshooter” in the search box.
  3. Click on “Identify and repair network problems” on the left pane of the window.
  4. Click “Next” and follow the instructions to complete the troubleshooting process.

Step 2: Run the Network Adapter Troubleshooter

The Network troubleshooter is Microsoft product and comes along with windows. This is an automated tool and can check the network adapter on the computer for known issues and provides the details and on how to fix them. To run it please Follow the steps.

  1. Press “Windows Logo” + “W” keys from the keyboard.
  2. Type “Troubleshooting” in the search bar and press “Enter”.
  3. In the “Troubleshooting” window, click on “View All” on the left pane.
  4. Click on “Network Adapter”.
  5. Click on “Advanced” and then click “Run as Administrator”.
  6. Click “Next” and follow the on-screen instructions to complete the troubleshooting process.

Check the troubleshooting reports and let’s know the details. You may also try the suggestions given by the troubleshooters and check if that helps.

Method 2 :- Toggle TCP Chimney Offload

Press "Window Key" on Keyboard and type CMD > Right Click on CMD (Command Prompt) > Then click Run as Administrator.

Type The Following Commands Without Quotes:

NOTE :- Run all 6 command for better results, press enter after each command.Fix-Repair

  1. Command for Disable Windows Scaling heuristics:-
    • "netsh int tcp set heuristics disabled"
  2. Command for TCP Auto-Tuning:-
    • "netsh int tcp set global autotuninglevel=normal"
  3. Command for RSS - Receive-side Scaling:-
    • "netsh int tcp set global rss=enabled"
  4. Command for TCP Chimney Offload :-
    • "netsh int tcp set global chimney=enabled"
  5. Command for Direct Cache Access (DCA) :-
    • "netsh int tcp set global dca=enabled"
  6. Command for Compound TCP - Improve throughput :-
    • "netsh int tcp set global congestionprovider=ctcp"

Now Reboot your Computer and see if solved your network issue.

Method 3 :– Reset TCP/IP Stack

Solution 1 : Run Microsoft Fix It.

You can try to reset your network settings and fix any problems with the TCP/IP stack by running the Microsoft Fixit solution :
( Click Here ) to Download File.

Solution 2 : Fix it Manually :

Press "Window Key" on Keyboard and type CMD > Right Click on CMD (Command Prompt) > Then click Run as Administrator.

Type following Commands according to Window Version.

For Windows 8, Windows 8.1 and Windows 10

  1. With specific a directory path
    • "netsh int ip reset c:resetlog.txt"
  2. Without directory path
    • "netsh int ip reset"

For Windows XP, Windows Vista, Windows 7

  1. With specific a directory path
    • "netsh int ip reset c:resetlog.txt"
  2. Without directory path
    • "netsh int ip reset resetlog.txt"

Method 4 – Restart Your Router & Network Connection

Restart Your Router

Just to make sure everything is OK in Communication, make sure you restart your wireless router and your modem.

Because you’ll spend a lot of time messing with your computer, for no reason it might be a problem with the router.

Enable/Disable Network Connection

Open RUN Box by pressing “Win + R” Keys. Once its open type "nacpa.cpl" to open Network Connections.

Find your working adapter from available icons, then right-click on the network adapter and choose Disable. Wait a little while and then again right click and choose Enable the network connection.

 

Method 5 – Power cycle for your Home Network

If you have connection issues with Router device(s), by performing a power cycle of your entire network can resolve these issues. To perform a power cycle on your home network, you need to turn OFF all your devices and then turn them all back ON.

Power cycling your network may help in resolving following issues :

  • You are not able to get Internet access on any device.
  • You are not able to go online.
  • The Internet connection is not getting be established over your router/gateway.

To check Step by Step Guide, How to Power Cycle a Home Network ( Click Here )

Leave a Reply

Your email address will not be published. Required fields are marked *