Alright, so, I’ve been grinding away on League of Legends lately, you know, as one does. I usually play just for fun, but I keep running into this weird issue that totally messes with my gameplay. Thought I’d share my experience here and how I finally managed to fix it. So I was trying to climb the ranks, right? Everything was going great and got a red border show up on my screen.
It was like, out of nowhere, this thick red border popped up around my game screen. I’m playing this ARAM, locked in a pretty intense match, and suddenly, bam! Red border. At first, I thought it was some kind of special effect or something, a new feature maybe? But then I realized I couldn’t move my screen around the map like I usually do. My mouse was basically trapped inside this red box. Talk about a buzzkill. I ended up playing with a locked camera, which, if you’ve ever tried, is a total game-changer in the worst way possible. It felt really weird, and, honestly, it ruined the game for me. I couldn’t track the enemies properly, my map awareness went down the drain, and let’s just say, my performance wasn’t my best.

After the game (which we lost, by the way), I started digging around to figure out what the heck was going on. I checked the in-game settings, thinking maybe I accidentally toggled something, but nope, nothing there. Then I went to my computer’s display settings, messed with the resolution, refresh rate, color depth, you name it. Still that annoying red border.
Naturally, I hit up the forums and some other sites for answers. Found out I wasn’t the only one with this issue. Some folks suggested it had to do with the graphics drivers, so I went ahead and updated those. Others mentioned third-party software could be the culprit, so I disabled a bunch of stuff running in the background. No luck. I even tried repairing the game client, thinking maybe some files got corrupted. But, nope, the red border was still there, mocking me.
Then, I stumbled upon this one comment that mentioned something about a “Strict Mode” in the developer options. I was like, “Developer options? What’s that?” Turns out, it’s this hidden menu where you can tweak some advanced settings. I found the “Strict Mode” option, unchecked it and then tried to play another game, I didn’t notice the red border.
Finally, after hours of troubleshooting, I came across a post that mentioned the keybind F9. Apparently, this little key was the source of all my troubles. It’s some kind of “Mouse Screen Lock” toggle. I pressed it once, and poof, the red border vanished. I felt so relieved, but also a bit dumb for not figuring it out sooner. Anyway, I went into the game settings and re-bound that toggle to a different key, just to make sure I wouldn’t accidentally hit it again.
So, yeah, that’s my story of the annoying red border in League of Legends. If you ever run into this, just remember, F9 is the magic key. Or, you can dive into the developer options and turn off “Strict Mode.” Either way, don’t let that red border ruin your game like it did mine!
Here’s a quick rundown of what I tried:
- Pressed F9 to toggle the Mouse Screen Lock.
- Checked in-game settings.
- Updated graphics drivers.
- Disabled third-party software.
- Repaired the game client.
- Unchecked “Strict Mode” in the developer options.
- Re-bound the Mouse Screen Lock toggle in the game settings.
Lessons Learned
- Sometimes the solution is simpler than you think.
- The League of Legends community is a great resource for troubleshooting.
- Always check your keybinds before jumping to conclusions.
Hope this helps someone out there! Happy gaming!