Hardware⏱️ 3 min read

How to Fix: Good speedtest result but downloading a game saturates all the bandwidth

Fast internet speeds interrupted by bandwidth-sucking game downloads - Powerline adapter issue?


You're experiencing a frustrating issue where your fast internet connection is being saturated when downloading large files or games, causing your network to disconnect during online activities like Discord calls. This problem has persisted despite having the same bandwidth for over a year, suggesting that it's not related to your internet plan or speed. The fact that you've been using the same powerline adapter for an extended period implies that the issue might be more complex and related to your network configuration.

⚠️ Common Causes

  • Interference from other devices on the same network
  • Insufficient Quality of Service (QoS) settings
  • Malware or viruses affecting your device's network adapter

🛠️ Step-by-Step Verified Fixes

Method 1: Prioritizing Download Traffic with QoS

  1. Step 1: Open your router's web interface and navigate to the Quality of Service (QoS) settings.
  2. Step 2: Create a new rule that prioritizes download traffic, ensuring it gets enough bandwidth allocation. You can do this by setting a lower latency threshold or a higher bandwidth limit for download traffic.

Method 2: Using a Network Adapter with Built-in QoS

  1. Step 1: Check if your network adapter has built-in QoS features. Some adapters, especially those from reputable manufacturers, come with integrated QoS settings.
  2. Step 2: Configure the QoS settings on your network adapter to prioritize download traffic. This may involve adjusting the bandwidth allocation or latency thresholds.

💡 Conclusion

To resolve the issue of your network being saturated when downloading large files or games, try prioritizing download traffic with QoS settings on your router or using a network adapter with built-in QoS features. By doing so, you should be able to allocate sufficient bandwidth for download traffic and prevent disconnections during online activities.

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