Screen tearing and stuttering NEW MAC

[Theadjudicator777]

I was told to post here if I couldn't find a solution elsewhere. I'm using a brand-new M4 Mac Mini with 32GB of memory, running the latest version of macOS Sequoia 15.2 (as of this post). Everything was working perfectly until about a week ago, but now I'm experiencing major issues with Dota 2.

The game frequently stutters and screen tears, especially during team fights. I haven't made any changes to my settings or setup—these problems just started out of nowhere. My setup includes a new LG Ultragear 240Hz monitor, and I’ve ensured that Vsync is enabled in-game and set to variable on my Mac to keep them in sync.

At first, I thought it might be an internet issue, but the screen tearing suggests otherwise. I’m not tech wizard but I know enough to troubleshoot basic things. If anyone has insights or suggestions to fix this, I’d greatly appreciate it. Thank you!

Your system information

• System information from steam (Steam -> Help -> System Information) in a gist:

• Have you checked for system updates?: [Yes/No] yes
• Are you using the latest stable video driver available for your system? [Yes/No] yes
• Have you verified the game files?: [Yes/No] yes

Please describe your issue in as much detail as possible:

Describe what you expected should happen and what did happen. Please link any large pastes as a Github Gist.

Steps for reproducing this issue: