The League of Legends launcher uses server aliases that have problems connecting to some Internet Service Providers' default Domain Name System resolver. If your launcher never seems to start downloading a patch, you may want to change to public DNS servers in your network settings.
At the Windows' Command Prompt, you'll type the command "ping" followed by the IP address you want to ping. It'll look like this: Ping 123.123.123.1. In a few seconds, you'll get the results of the ping test in milliseconds. To test the different servers, you'll want to have a text file (or whatever you prefer) containing all the

Chipteck January 30, 2018 16:28 If you've recently played a game with lots of lag or connection issues, try the log reader below to get network statistics about that game. If the connection score is 90 or above, the issue you're facing is likely not related to networks. Network logs are located here by default:

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league of legends connection test