PS4 Error Code NW-31456-9: Connection Error


    The PlayStation Network (PSN) offers a variety of online services to PlayStation users, including online gaming, the PlayStation Store, and various media streaming services. However, like any online service, PSN may occasionally experience issues that can lead to error messages, such as the NW-31456-9 error code, which indicates a connection error. This guide will help you understand the error and provide potential solutions to resolve it.

    Understanding Error Code NW-31456-9

    The NW-31456-9 error code occurs when your PS4 console encounters a connection error while attempting to access the PlayStation Network. This error can be caused by various factors, including issues with your internet service provider (ISP), home network, or the PSN servers themselves. When this error occurs, you may experience difficulties connecting to online games, accessing the PlayStation Store, or using other PSN services.

    Possible Solutions to Error Code NW-31456-9

    Here are several potential solutions to help you resolve the NW-31456-9 error code:

    1. Check the PSN Server Status

    Before attempting any other solutions, it’s essential to check the status of the PSN servers. If there is a known issue or maintenance, it could be the cause of the error. You can check the server status by visiting the PlayStation Network Service Status page. If there is an ongoing issue, you may need to wait until it is resolved before you can access PSN services.

    2. Restart Your Console and Network Devices

    A simple yet effective solution to many network-related issues is to restart your PS4 console and network devices (router and modem). This can help re-establish a stable connection and resolve temporary issues.

    1. Turn off your PS4 console and unplug it from the power source.
    2. Unplug your modem and router from the power source.
    3. Wait for at least 30 seconds.
    4. Plug your modem back in and wait for it to fully power up.
    5. Plug your router back in and wait for it to fully power up.
    6. Plug your PS4 console back in and turn it on.
    7. Test your connection to PSN.

    3. Test Your Internet Connection

    To ensure that your internet connection is stable and working correctly, you can perform a connection test on your PS4 console.

    1. Go to Settings on your PS4 console.
    2. Navigate to Network > Test Internet Connection.
    3. Wait for the test to complete and check the results. If there are issues with your connection, you may need to contact your ISP for assistance.

    4. Change Your DNS Settings

    Sometimes, using a different DNS server can help resolve network issues. You can try changing your DNS settings to use Google’s public DNS servers.

    1. Go to Settings on your PS4 console.
    2. Navigate to Network > Set Up Internet Connection.
    3. Choose your connection method (Wi-Fi or LAN cable) and select Custom.
    4. Configure the settings as follows:
      • IP Address Settings: Automatic
      • DHCP Host Name: Do Not Specify
      • DNS Settings: Manual
      • Primary DNS:
      • Secondary DNS:
      • MTU Settings: Automatic
      • Proxy Server: Do Not Use
    5. Save the settings and test your connection to PSN.

    5. Update Your Console’s Firmware

    Ensure that your PS4 console is running the latest firmware, as outdated firmware can cause compatibility issues with PSN services.

    1. Go to Settings on your PS4 console.
    2. Navigate to System Software Update and follow the on-screen instructions to update your console’s firmware.

    6. Contact PlayStation Support

    If none of the above solutions work, you may need to contact PlayStation Support for further assistance. They can help diagnose the issue and provide additional troubleshooting steps.

    By following this guide and trying the suggested solutions, you should be able to resolve the NW-31456-9 error code and enjoy a stable connection to the PlayStation Network. Remember that network issues can sometimes be temporary, so don’t hesitate to try the solutions again if the problem persists.

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