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Network Connection Failure After System Update

Updated

Here are common troubleshooting steps for network connection failure after system update. Follow them in order.

 

Step 1: Basic Quick Troubleshooting

  1. Restart the mini PC and router/modem
  2. Check physical connections: For wired network, unplug and replug the network cable, confirm that the port indicator light is blinking normally; for wireless network, forget the WiFi network and reconnect.
  3. Switch network for testing: Connect to a mobile hotspot to determine if the issue is with the router or the computer itself. If you can access the internet normally via the mobile hotspot, it indicates a router issue.

Step 2: Run Windows Network Troubleshooter

  1. Right-click the network icon on the taskbar → select "Troubleshoot problems"
  2. The system will automatically detect and fix common issues (such as IP address conflicts, DHCP service errors, DNS configuration errors)
  3. Record any error messages provided by the troubleshooter for further diagnosis

 

Step 3: Reset Network Adapter

  1. Press Win+R, type ncpa.cpl, and press Enter to open the Network Connections window
  2. Right-click the currently used network adapter ("Ethernet" or "WLAN") → select "Disable"
  3. Wait 10 seconds, then right-click again → select "Enable"

 

Step 4: Roll Back Network Driver (Most Effective Solution)

 

Windows Update may have automatically installed an incompatible generic network driver, which is the main cause of the problem.
  1. Press Win+X → select "Device Manager"
  2. Expand the "Network adapters" category
  3. Right-click the problematic network device (e.g., Realtek RTL8168H, Intel Wi-Fi 6 AX201) → select "Properties"
  4. Go to the "Driver" tab → click "Roll Back Driver"
  5. Select a reason for rollback (such as "The previous driver version worked fine") → click "Yes"
  6. After rollback completes, restart the computer and test if the network is restored

Step 5: Reinstall Official Network Driver

Using another device with internet access, visit the GEEKOM official support page https://service.geekompc.com/ to download the network driver corresponding to your Windows version.

 

Step 6: Uninstall Problematic Windows Update

  1. Press Win+I to open Settings → select "Windows Update" → click "Update history"
  2. Scroll down and click "Uninstall updates"
  3. Find the most recently installed updates (sorted by installation date)
  4. Right-click the update → select "Uninstall"
  5. Follow the prompts to complete the uninstall and restart the computer

Step 7: System Restore (Keep Personal Files)

  1. Press Win+R, type rstrui.exe, and press Enter to open System Restore
  2. Click "Next", select a system restore point created before the update
  3. Follow the prompts to complete system restore; the computer will restart automatically

Step 8: Final Solution

If all the above steps fail, it is recommended to back up important data and perform a system reinstallation.

Please download the Windows 11 installation package from the official website: https://service.geekompc.com/

For detailed instructions, see: https://service.geekompc.com/faq/how-to-install-windows-system/

If none of the above methods resolve your issue, please feel free to contact GEEKOM Customer Service for assistance.

 

 

 

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