Quick Summary
Error code LWK-20004 on PlayStation usually indicates a network connection problem preventing your console from connecting to the PlayStation Network (PSN). This can be due to issues with your internet connection, PSN server outages, or incorrect console network settings.
Common Causes
- PlayStation Network (PSN) Outage: The PSN servers might be temporarily down for maintenance or experiencing an outage. This prevents your console from connecting.
- Internet Connection Issues: Problems with your home internet connection, such as a dropped connection, slow speeds, or incorrect network configuration, can cause this error.
- Incorrect DNS Settings: Your PlayStation's DNS settings might be configured incorrectly, preventing it from resolving PSN server addresses.
- Firewall or Router Restrictions: Your firewall or router settings may be blocking the connection to PSN servers.
- Outdated System Software: An outdated version of the PlayStation system software can sometimes cause network connectivity issues.
Step-by-Step Fixes
Method 1: Check PlayStation Network Status
Step 1: Visit the official PlayStation Network Service Status page (status.playstation.com).
Step 2: Verify if all services are running normally. If there are any reported outages or maintenance, wait until they are resolved before troubleshooting further.
Method 2: Restart Your PlayStation Console
Step 1: Completely power down your PlayStation console.
Step 2: Unplug the power cord from the back of the console.
Step 3: Wait for 1-2 minutes.
Step 4: Plug the power cord back in and turn on the console.
Method 3: Restart Your Modem and Router
Step 1: Unplug the power cords from your modem and router.
Step 2: Wait for 1-2 minutes.
Step 3: Plug the modem back in and wait for it to fully initialize (all lights are stable).
Step 4: Plug the router back in and wait for it to fully initialize.
Method 4: Check Your Internet Connection
Step 1: On your PlayStation, go to Settings > Network > Test Internet Connection.
Step 2: Follow the on-screen instructions. If the test fails or you experience slow speeds, contact your Internet Service Provider (ISP).
Method 5: Configure DNS Settings
Step 1: On your PlayStation, go to Settings > Network > Set Up Internet Connection.
Step 2: Choose your network connection method (Wi-Fi or LAN cable).
Step 3: Select Custom.
Step 4: Enter the following DNS settings:
- Primary DNS: 8.8.8.8
- Secondary DNS: 8.8.4.4
Step 5: Proceed with the remaining settings, typically leaving them as default.
Method 6: Update System Software
Step 1: On your PlayStation, go to Settings > System Software Update.
Step 2: Check for available updates and install them if any are found.
Step 3: Restart your console after the update is complete.
Method 7: Check Firewall/Router Settings
Step 1: Access your router's settings page by typing its IP address into a web browser (usually 192.168.1.1 or 192.168.0.1).
Step 2: Log in using your router's username and password (check your router's documentation if you don't know them).
Step 3: Look for firewall settings. Temporarily disable the firewall to see if it resolves the issue. If it does, you'll need to configure firewall rules to allow PlayStation Network traffic. Consult your router's manual or your ISP for assistance with this.
Step 4: Ensure that UPnP (Universal Plug and Play) is enabled in your router settings. This can help your PlayStation automatically configure the necessary port forwarding rules.