How to Change Your Screen Resolution on Windows and Mac

Where to Find Screen Resolution Settings

On Windows 10 or 11, right-click on an empty area of your desktop and select "Display settings" from the menu. This opens the Settings app directly to the Display page, where you'll see a dropdown labeled "Resolution" about halfway down the screen. On Mac, click the Apple menu in the top-left corner, select "System Settings" (or "System Preferences" on older versions), then click "Displays" in the sidebar.

Both operating systems show your current resolution as a number like 1920 × 1080 or 1366 × 768. The first number is width in pixels, the second is height. Higher numbers mean smaller text and more screen space; lower numbers mean larger text and less space. Your monitor has a native resolution—the one it was designed for—which usually looks sharpest, though Windows and Mac will suggest alternatives if you want to change it.

Key Takeaways

On Windows, right-click the desktop and choose "Display settings," then use the Resolution dropdown to pick a new size.
On Mac, open System Settings, click Displays, and select a resolution from the list provided.
Your monitor's native resolution (usually the highest number available) produces the sharpest image.
After you change resolution, Windows and Mac give you 15 seconds to confirm the change before reverting automatically.
If text becomes too small or too large after changing resolution, you can adjust scaling separately from resolution itself.

Changing Resolution on Windows

Open Display settings by right-clicking your desktop and selecting "Display settings." Scroll down until you see the "Resolution" dropdown, which currently shows your active resolution. Click the dropdown to see all available options. Windows lists them from highest to lowest—the top option is usually your monitor's native resolution and will look the sharpest.

Click the resolution you want to try. Your screen will go black for a moment while it switches, then you'll see a dialog box asking "Do you want to keep these display settings?" with a countdown timer showing 15 seconds. If the new resolution looks good, click "Keep changes." If text is too small, colors look wrong, or the image looks blurry, click "Revert" and try a different resolution. If you don't click anything, Windows automatically reverts after 15 seconds.

After you confirm a resolution change, you may notice text on your screen looks too small or too large compared to before. This is separate from resolution itself. If this happens, scroll down in Display settings to find "Scale" or "Change the size of text, apps, and other items" and adjust the percentage—usually 100%, 125%, or 150%—until text looks readable.

Changing Resolution on Mac

Click the Apple menu in the top-left corner of your screen and select "System Settings" (on newer Macs) or "System Preferences" (on older ones). In the sidebar on the left, click "Displays." You'll see a list of available resolutions, with the current one highlighted. Click any resolution in the list to switch to it when ready—there is no confirmation dialog on Mac.

Unlike Windows, Mac does not give you a countdown timer to revert. If you change resolution and dislike it, go back to Displays settings and select a different one. Your monitor's native resolution (usually labeled "Default" or shown at the top of the list) will produce the sharpest text and images. If you have an external monitor connected, click its name in the Displays settings to adjust its resolution separately from your built-in screen.

Understanding Resolution Numbers and What They Mean

Resolution numbers describe how many pixels fit on your screen. A resolution of 1920 × 1080 means 1920 pixels wide and 1080 pixels tall. Common resolutions include 1366 × 768 (older laptops), 1920 × 1080 (standard for many monitors), 2560 × 1440 (high-resolution monitors), and 3840 × 2160 (4K displays). The higher the numbers, the more pixels packed into the same physical screen size, which makes text and images smaller but gives you more room to work.

Your monitor has a native resolution—the pixel count it was physically built for. Using the native resolution produces the sharpest image because each pixel on your screen corresponds to exactly one pixel in the image. If you choose a lower resolution, Windows or Mac scales the image up to fill the screen, which can make it look slightly blurry. If you choose a higher resolution than native, the opposite happens and text becomes very small.

Why Your Monitor May Not Show All Resolutions

If you see only one or two resolution options in your settings, your graphics driver may be outdated or missing. A graphics driver is software that tells Windows or Mac how to communicate with your monitor. On Windows, open Device Manager (search for it in the Start menu), expand "Display adapters," right-click your graphics card, and select "Update driver." Choose "Search automatically for updated driver software" and let Windows search online.

On Mac, resolution options are usually built in, but if you're using an external monitor and see limited choices, try unplugging the monitor's cable and plugging it back in, or restarting your Mac. If you're using a USB-C or Thunderbolt connection, make sure you're using the cable that came with the monitor or one certified for video. Third-party cables sometimes don't carry the full resolution information to your Mac.

When Resolution Changes Don't Stick

If you change resolution and it reverts on its own the next time you restart, your graphics driver may not be saving the setting properly. On Windows, try the change again, confirm it, then restart your computer while the new resolution is active. On Mac, the setting usually saves automatically, but if it doesn't, restart with the new resolution in place and check Displays settings again after restart.

If you're using an external monitor and the resolution keeps reverting, the monitor cable may be loose or the connection may be unstable. Unplug the monitor from your computer and from power, wait 10 seconds, then plug it back in—first to power, then to your computer. This forces both devices to re-detect each other and often restores the resolution setting.

Frequently Asked Questions

What resolution should I use?

Use your monitor's native resolution—the highest number available in your settings—for the sharpest image. If text becomes too small, adjust the scaling percentage in Display settings rather than lowering resolution. Scaling keeps the sharpness while making text larger.

Why does my screen look blurry after I change resolution?

You likely chose a resolution lower than your monitor's native one. Windows or Mac is scaling the image up to fill the screen, which softens it. Switch back to the highest resolution available, or if text is too small, use the scaling slider instead.

Can I use different resolutions on two monitors at the same time?

Yes. On Windows, right-click the desktop, open Display settings, and scroll down to see all connected monitors listed separately. Click each monitor and set its resolution independently. On Mac, open System Settings, click Displays, and click each monitor's name in the sidebar to adjust it separately.

My resolution options disappeared after an update. What do I do?

On Windows, open Device Manager, find your graphics card under "Display adapters," right-click it, and select "Update driver." On Mac, restart your computer. If the problem persists on Windows, uninstall the graphics driver (right-click and select "Uninstall device"), restart, and let Windows reinstall it automatically.

Does changing resolution affect my monitor's lifespan?

No. Changing resolution is a software setting that does not stress your monitor hardware. You can change it as often as you like without damage.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.