Where to find resolution settings on your Mac
Your Mac's screen resolution lives in System Settings, not buried in a submenu. Open System Settings (the gear icon in your Dock, or go to the Apple menu and select System Settings). Then click Displays in the left sidebar. You'll see your current resolution listed as "Resolution" with a dropdown menu below it.
The exact location has stayed the same across recent macOS versions, though the name changed from "System Preferences" to "System Settings" in macOS Ventura. If you're on an older Mac running an earlier version, the path is identical — just look for System Preferences instead.
Key Takeaways
- Resolution settings are in System Settings > Displays, and you can change them by clicking the Resolution dropdown and selecting a new option.
- Your Mac shows "Scaled" resolutions (which look sharper) and "native" resolutions (which use every pixel on your screen), and Scaled is usually the default.
- Changing resolution takes effect when ready, and you can switch back just as quickly if the text becomes too small or too large to read comfortably.
- External monitors have their own resolution settings in the same Displays pane, separate from your built-in screen.
- If you don't see a resolution option, your Mac may be using an external display that doesn't support manual resolution changes, or the setting is locked by your organization.
Understanding scaled versus native resolution
When you open the Resolution dropdown, you'll see options labeled "Scaled" and sometimes a "Default" option. Scaled resolution means your Mac is displaying more content on screen than the physical pixels allow, so it smooths the image to make text and icons readable. This is what most people use day-to-day because it makes everything larger and easier to see.
The native resolution (sometimes called "full resolution") uses every physical pixel on your screen, which means more content fits on screen at once but everything appears smaller. On a 13-inch MacBook, native resolution can make text uncomfortably tiny. On a 27-inch external monitor, it's often the right choice because the screen is large enough that smaller text is still readable.
Your Mac usually defaults to a Scaled resolution that balances screen real estate with readability. If you switch to native and find yourself squinting, go back to Scaled — there's no penalty for changing, and you can do it as often as you need.
How to select a new resolution
Click the Resolution dropdown in System Settings > Displays. A list of available options appears, each labeled with dimensions like "1440 x 900" or "1680 x 1050." Scaled options are grouped together, usually with a note like "Scaled" next to them. Select the one you want and it takes effect when ready — no restart required.
If the new resolution makes text too small or too large, go back to the same dropdown and pick a different option. You can test as many as you need without any harm to your Mac. Most people find one or two options comfortable and stick with those.
On a MacBook with a built-in screen, you're limited to resolutions that match your screen's physical dimensions. On an external monitor, the available options depend on what that monitor supports — older monitors may have fewer choices than newer ones.
Changing resolution on an external monitor
If you have an external display connected, it appears as a separate tab or section in the Displays pane. Click on it to see that monitor's resolution options. External monitors have their own settings independent of your Mac's built-in screen, so you can run different resolutions on each one.
Some external monitors, especially older ones or budget models, may not support manual resolution changes. If you don't see a Resolution dropdown for an external display, the monitor is likely set to its native resolution and can't be adjusted from your Mac. In that case, check the monitor's physical buttons or menu to see if resolution can be changed there.
What to do if resolution options are missing or grayed out
If you don't see a Resolution dropdown at all, or if it's grayed out and you can't click it, one of three things is usually happening. First, check whether you're looking at the right display — if you have multiple monitors, make sure you've selected the one you want to change. Second, your Mac may be using a display mode that doesn't allow manual resolution changes, which sometimes happens with external displays that use certain connection types.
Third, if your Mac is managed by an organization (a school, workplace, or IT administrator), they may have locked resolution settings so you can't change them. If that's the case, you'll need to contact your IT department or administrator to unlock the setting or change it for you.
Resolution and text size are separate settings
Changing resolution is different from changing text size. If you change resolution and everything becomes hard to read, you have two options: switch to a different resolution, or keep the resolution and adjust the text size separately. In System Settings > Displays, you'll see a "Text size" slider below the Resolution dropdown. This lets you make text larger or smaller without changing how much content fits on screen.
Most people adjust resolution first to get the right amount of content on screen, then fine-tune text size if needed. Start with resolution, and only use the text size slider if resolution alone doesn't give you the comfort you're looking for.
Why your Mac might not show all possible resolutions
Your Mac only shows resolutions that your display can actually handle. A 13-inch MacBook screen, for example, won't offer a 4K resolution because the screen isn't capable of it. An external monitor shows only the resolutions it supports — a 1080p monitor won't offer 1440p or 4K options, even if your Mac could theoretically produce them.
If you're using an external monitor and want more resolution options, the monitor itself may need to be updated or reconfigured. Some monitors have firmware updates that add new resolution support. Others have settings in their on-screen menu (accessed via buttons on the monitor itself) that control which resolutions are available to connected devices.
Frequently Asked Questions
Will changing resolution damage my Mac or monitor?
No. Changing resolution is a software setting that takes effect when ready and can be reversed just as quickly. Your hardware isn't harmed by switching between resolutions, and you can change it back anytime if you don't like the new setting.
Why does text look blurry after I change resolution?
Blurry text usually means you've switched to a resolution that doesn't match your display well. Try a different resolution from the dropdown, or use the Text size slider to make text larger. If you're on an external monitor, check whether the monitor itself needs a firmware update or whether a different resolution option looks sharper.
Can I set different resolutions for each monitor if I have multiple displays?
Yes. Each monitor appears separately in System Settings > Displays. Click on the monitor you want to adjust, then change its resolution independently. Your built-in screen and external displays can all run different resolutions at the same time.
What's the difference between resolution and refresh rate?
Resolution controls how many pixels appear on screen (like 1440 x 900). Refresh rate controls how many times per second the image updates (like 60 Hz). They're separate settings. Most Macs let you adjust resolution easily, but refresh rate is usually locked to what your display supports and can't be changed manually.
My external monitor shows a resolution option I don't recognize — is it safe to try?
Yes, it's safe to try any resolution your Mac offers for that monitor. If it doesn't look right, switch back when ready. The worst that happens is the image looks stretched, blurry, or too small — none of which will harm your Mac or monitor.