---
title: "Mac \"Zoom\" Button Performance Issue"
description: "On Mac, when pressing the green \"zoom\" button in the application's toolbar, Mac will override the resolution settings to a much higher resolution than intended."
canonical_url: "https://wiki.zephyr-sim.com/help/troubleshooting/mac-zoom-button-performance-issue"
---
# Mac "Zoom" Button Performance Issue

> On Mac, when pressing the green "zoom" button in the application's toolbar, Mac will override the resolution settings to a much higher resolution than intended.

On Mac, when pressing the green "zoom" button in the application's toolbar, Mac will override the resolution settings to a much higher resolution than intended.

![Mac application window buttons](https://wiki.zephyr-sim.com/images/mac-zoom-button-performance-issue-mac-application-window-buttons.webp)

If you press the green "zoom" button to maximize the window and experience performance issues:

1. Navigate to the main menu and select Settings
2. Select the Resolution dropdown
3. Select a new Resolution from the dropdown
4. Reselect your desired Resolution from the dropdown

This will reset the resolution in the simulator.


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