Check your screen resolution in Windows

The fastest way to see your screen resolution in Windows is to right-click on an empty area of your desktop, then select Display settings from the menu that appears. A settings window will open. Scroll down until you see a section labeled Display resolution — the number shown there (usually something like 1920 × 1080 or 2560 × 1440) is your current resolution.

If you do not see Display settings in the right-click menu, you can reach the same place through Settings. Click the Windows Start button, type Display settings into the search box, and press Enter. The resolution information appears in the same location.

Windows also shows resolution in an older control panel. If you prefer that route, right-click the desktop, select Display settings, scroll to the bottom of the window, and click Advanced display settings. Near the top, you will see Resolution listed with a dropdown menu showing your current setting.

Check your screen resolution on Mac

On a Mac, click the Apple menu in the top-left corner, then select System Settings (or System Preferences on older versions). In the sidebar, click Displays. The resolution appears under a section labeled Resolution, usually shown as a dropdown menu with your current choice highlighted.

If you have an external monitor connected to your Mac, each display will have its own resolution setting. Click the monitor you want to check in the Displays settings, and its resolution will appear below.

Check your screen resolution on Linux

Linux resolution settings vary depending on which desktop environment you use. On Ubuntu with GNOME, click the system menu (usually in the top-right corner), select Settings, then click Displays. Your resolution appears under the monitor name, often with a dropdown showing available options.

If you use a different Linux desktop (KDE, Xfce, or others), the path differs slightly, but the Displays or Monitor settings section will always show your current resolution. You can also open a terminal and type xrandr to see resolution information in text form, though this method requires more familiarity with command-line tools.

Key Takeaways

  • In Windows, right-click your desktop and select Display settings to find resolution listed as two numbers separated by a multiplication sign (for example, 1920 × 1080).
  • On Mac, open System Settings, click Displays, and your resolution appears in a dropdown menu.
  • Linux resolution settings are in the Displays section of your system settings, though the exact path depends on which desktop environment you use.
  • If you have multiple monitors, each one has its own resolution setting that you can check separately.

What the numbers mean

Screen resolution is always shown as two numbers: width × height, measured in pixels. A resolution of 1920 × 1080 means your screen displays 1,920 pixels across horizontally and 1,080 pixels down vertically. Higher numbers mean more pixels packed into the same physical screen size, which usually makes text and images sharper.

Common resolutions include 1366 × 768 (older laptops), 1920 × 1080 (standard for many monitors and laptops), 2560 × 1440 (higher-end monitors), and 3840 × 2160 (4K displays). Your monitor's physical size does not determine resolution — a 24-inch monitor can run at 1920 × 1080 or 2560 × 1440 depending on what you set it to, though higher resolutions on smaller screens can make text harder to read.

Why your resolution might not match your monitor's capability

Your monitor is capable of displaying a certain maximum resolution, but Windows, Mac, and Linux can all run at lower resolutions if you choose. This happens most often when you connect an older monitor to a newer computer, or when your graphics driver has not installed properly.

If your monitor supports 2560 × 1440 but your settings only show 1920 × 1080 as an option, the issue is usually a missing or outdated graphics driver. On Windows, open Device Manager (right-click the Start button and select it), find Display adapters, right-click your graphics card, and select Update driver. On Mac, check the App Store for system updates. On Linux, your distribution's software manager usually handles driver updates.

Changing your resolution

If you want to change your resolution, the settings window where you checked it also contains a dropdown menu to select a different option. In Windows and Mac, click the dropdown next to your current resolution and choose a new one from the list. Linux works the same way in the Displays settings.

After you select a new resolution, your screen will usually show a confirmation dialog asking whether you want to keep the change. If you do not respond within 15 seconds, most systems revert to the previous resolution automatically. This safety feature prevents you from being locked out if a resolution makes your screen unreadable.

Frequently Asked Questions

Why does my monitor show a different resolution than what I set?

This usually means your graphics driver is out of date or missing. Your operating system can only offer resolutions that your graphics driver supports. Update your graphics driver through Device Manager (Windows), the App Store (Mac), or your Linux distribution's software manager, then restart your computer and check again.

Can I set a resolution higher than what my monitor supports?

No. Your operating system will only show resolutions that your monitor and graphics card can both handle. If you want a higher resolution, you need a monitor that supports it. You can always set a lower resolution than your monitor supports, but this usually makes text and images look blurry.

What resolution should I use?

Use the highest resolution your monitor supports. Higher resolution means sharper text and images. If text becomes too small to read comfortably, you can increase the text size in your operating system's accessibility settings without lowering resolution — this keeps everything sharp while making it larger.

Does resolution affect gaming or video performance?

Yes. Higher resolutions require your graphics card to work harder, which can lower frame rates in games and slow down video playback on older computers. If you experience stuttering or lag, lowering your resolution can help, though updating your graphics driver first often solves the problem.