Lag spikes can ruin your League games.
I will show you how to fix lag spikes in League of Legends with tested solutions.
- Update Everything: Install Windows updates. Download latest graphics drivers. Update network drivers.
- Fix Internet Connection: Use ethernet cable. Disable WiFi. Turn off downloads and streams. Set DNS to 8.8.8.8 and 8.8.4.4.
- Optimize Game Settings: Enable Low Spec mode. Turn on DX9 legacy mode. Close client during game. Lower graphics quality. Turn off screen overlays.
- Clean System Files: Delete temp files. Empty Recycle Bin. Remove unused programs. Clean disk space.
- Adjust GPU Settings: Open Nvidia/AMD control panel. Enable V-Sync. Update GPU drivers. Check iGPU drivers.
- Repair Game Files: Open League client. Click Help & Support. Select Repair. Wait for completion.
- Free System Resources: Close background apps. Disable startup programs. Set League as high priority.
- Configure Router: Enable QoS settings. Set League as priority. Block unnecessary devices.
If problems continue:
- Check PC meets game requirements
- Test internet speed (need 25+ Mbps)
- Contact internet provider
- Try VPN for better routing
These fixes solve most lag spike issues. Start with internet fixes. Try other steps if needed.
