Why is my League of Legends not loading?
1. Reinstall your graphics card drivers. According to users, sometimes League of Legends won't start due to issues with your graphics card. Your graphics card is crucial for gaming sessions, and if there's a problem with your graphics card drivers, you might not be able to start League of Legends at all.
Why does lol client take so long to load?
Every player needs to load all assets from disk (models, textures, etc.), and the slowest determines how slow it will be for everyone.
Why can't I log in to League of Legends?
If you're experiencing the “unable to connect to authentication service” error when playing League of Legends, you could have any number of problems. It could stem from a faulty internet connection, a disrupted firewall, or something else entirely.