Game in Windowed Mode Freezes while tabbed

  • Has anyone else encountered this? I am running the new El Capitan 10.11 update and have always played in Windowed mode. Now with the update, if I tab out or run a program in the background, Diablo lags tremendously. I close the window, the lag clears up? Any ideas?
  • Falseprophet, there's a setting that can control background FPS - it's possible this setting is limiting your draw rate in windowed mode. Disabling it or raising the FPS Cap may help.

    1. Open the Options > Video settings menu.
    2. Next to Max Background FPS raise the slider or uncheck the box.
    3. Click Apply or Accept to finalize the change.

    Let me know if that helps!
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