Fix 3: Update your device drivers. Your lag issue (whether it’s related to your hardware or network) with LOL can sometimes be caused by an outdated or corrupt device driver. If you’re not sure whether all your device drivers (especially video drivers and network adapter drivers) are up-to-date, you should check.

There are other answers below:

UPDATED VIDEO HERE!!! recently helped my friend fix his extremely high ping problem and wanted to share thi…

I recently helped my friend fix his extremely high ping problem and wanted to share this tutorial. luck to everyone on the Rift!

League of Legends Server Lag Fix. Even if you have upgraded your internet package, or you have applied for a static IP, there are a few other options which you can use to reduce the League of Legends server lag. This includes opening ports and port forwarding. However, the best possible fix for this issue is to switch to an Ethernet connection.

There are some solutions that people talk about when League of Legends gets laggy: switch to an Ethernet connection – only available to PC and Xbox users. This should reduce the packet loss and provide a more stable link between your device and game servers; keep your devices updated.

The first easy option is just to go and check your game settings. Maybe there isn’t any real problem, and only settings are messed up. Turning off or changing certain settings may help you get rid of lag. For changing game settings, open the League of Legends and hit that cogwheel icon in the upper right corner.

Sometimes, your Wi-Fi settings are also responsible for League of Legends ping spikes. To reduce the apex Legends lag spikes, we recommend disabling the automatic connection for Wi-Fi. This method has been proven by some users to be useful. You may have a …

Check “Disable Full Screen Optimizations”. Click OK. Open File Explorer on the taskbar. Go to C:\Riot Games\League of Legends\Game. Right-click League of Legends.exe. Click on Properties. Click on the Compatibility tab. Check “Disable Full Screen Optimizations”. Click OK.

Step 1: Launch League of Legends and click on the cog icon located in the upper right corner. Step 2: In the Client/General window, on the General tab, you’ll want to check these two options: Enable Low Spec Mode and Close client during the game. Once you have done this, click done to save those changes.