How Do I Check My Monitor Input Source: Quick and Simple Methods

In today’s world of advanced technology, monitors have become an essential part of our daily lives. Whether it’s for work, gaming, or simply browsing the internet, having a reliable monitor is crucial. However, there are times when you may need to switch the input source on your monitor, such as connecting it to a different device or troubleshooting display issues. In this article, we will explore some quick and simple methods to check your monitor input source, ensuring that you can effortlessly navigate through the different connections and get the best display quality for your needs.

One of the easiest ways to check the input source on your monitor is to simply look for the physical buttons on the monitor itself. Most monitors come with buttons or a joystick-like control panel that allows you to easily access the menu options. By pressing these buttons, you can navigate through the menu and find the input source settings. This method is suitable for monitors that do not have an on-screen display (OSD) or if you prefer a more tactile approach to changing the settings. However, if your monitor has an OSD or you prefer a more convenient method, there are alternative options that utilize the on-screen display and keyboard shortcuts.

Method 1: Using the On-Screen Display (OSD) Menu

The On-Screen Display (OSD) menu is a built-in feature found in most monitors. It allows users to navigate through various settings and make adjustments directly on the screen. One of the useful functions of the OSD menu is to check and change the monitor’s input source.

To access the OSD menu, locate the buttons on the front or side of your monitor. Commonly, these buttons are labeled with icons or letters for easy identification. Press the appropriate button to activate the OSD menu.

Once inside the OSD menu, use the navigation buttons to move through the options until you find the input source settings. It may be labeled as “Input,” “Source,” or something similar. Select this option and the OSD menu will display the current input source.

To change the input source, use the navigation buttons to select a different source from the options available and confirm the selection. The monitor will now switch to the new input source, and you can verify it by checking the OSD menu again.

The OSD menu is a quick and convenient method to check and change the monitor’s input source without needing to access any additional settings.

Method 2: Checking the Physical Connections

Checking the physical connections is one of the simplest and most straightforward methods to determine the input source of your monitor. This method involves physically inspecting the cables and connections that link your monitor to the computer or any other external device.

To begin, ensure that all the necessary cables, such as HDMI, DisplayPort, or VGA, are securely connected to both your monitor and the device sending the signal. Once verified, follow the cable from the back of your monitor to its respective port on the computer or device.

If you are using multiple monitors, make sure that each one is connected to the correct input source. Many monitors have multiple video inputs, so it is essential to connect each monitor to the desired device correctly.

Additionally, if your monitor has multiple input ports, such as HDMI 1, HDMI 2, DisplayPort, etc., ensure that you have selected the correct input source via the monitor’s input/source button or menu.

By carefully examining and confirming all physical connections, you can easily identify the input source of your monitor, eliminating any potential issues arising from loose or incorrect connections.

Method 3: Utilizing the Monitor’s Auto Input Select Feature

This method allows users to quickly check and switch between different input sources on their monitor. Many modern monitors come equipped with an auto input select feature, which automatically detects the active input source and switches to it.

To utilize this feature, follow these steps:

1. Press the Menu button on your monitor to access the OSD menu.
2. Navigate through the menu options using the arrow buttons on your monitor until you find the Input or Source option.
3. Select the Input or Source option by pressing the appropriate button on your monitor.
4. Look for the Auto or Auto Input Select option within the Input or Source menu.
5. Enable the Auto Input Select option, if it is not already enabled.
6. Exit the OSD menu and wait for a few seconds.
7. The monitor will automatically detect the active input source and switch to it.

By utilizing the auto input select feature, users can quickly determine which input source is currently active without manually toggling or changing any settings. This method is especially useful when connecting multiple devices to a single monitor and switching between them frequently.

Method 4: Using Keyboard Shortcuts to Toggle Input Sources

In this method, you can quickly switch between different input sources on your monitor by using convenient keyboard shortcuts. This method is especially useful if you regularly switch between multiple devices connected to your monitor.

To toggle input sources using keyboard shortcuts, follow these steps:

1. Look for the input source key on your keyboard. It is typically labeled as “Input” or includes an icon representing multiple screens.
2. Press the “Fn” (Function) key on your keyboard and simultaneously press the input source key. For example, if your input source key is “F4,” press “Fn + F4” together.
3. Release both keys and wait for a few seconds. Your monitor will switch to the next available input source.
4. Repeat the keyboard shortcut to cycle through all the input sources until you find the desired one.

Using keyboard shortcuts is a quick and efficient way to switch between different input sources on your monitor without the need to access any menus or settings. However, keep in mind that the availability of keyboard shortcuts may vary depending on your monitor model and manufacturer.

Method 5: Checking the Input Source in Display Settings (Windows)

In Windows operating systems, you can easily check the input source of your monitor through the display settings. This method is particularly useful when you want a quick and convenient way to verify the active input source without using physical buttons or navigating through on-screen menus.

To begin, right-click on your desktop and select “Display settings” from the context menu. This will open the Display settings window. Alternatively, you can access this window by going to the “Settings” app and selecting “System” and then “Display.”

In the Display settings window, scroll down until you find the “Multiple displays” section. Here, you will see the name of your monitor or monitors. Each monitor is labeled with a number, such as “1” or “2.”

To check the input source of a particular monitor, click on the drop-down menu located just below its label. From the list of options, you will be able to see the available input sources, such as HDMI, DisplayPort, or VGA.

By following these simple steps, you can quickly and conveniently identify the input source of your monitor in Windows. This method is especially helpful when you have multiple monitors connected to your computer.

Method 6: Troubleshooting Common Input Source Issues

This method focuses on troubleshooting common input source issues that may arise while checking your monitor’s input source. Sometimes, despite trying various methods, you may encounter problems that prevent your monitor from displaying the correct input source. In such cases, the following troubleshooting steps can help:

1. Ensure that all cables connecting your monitor to the computer or other devices are securely plugged in on both ends.
2. Check for any loose or damaged cables that may be causing connectivity issues. Replace them if needed.
3. Verify that the input source you are trying to select on your monitor is compatible with the connected device.
4. Restart both your monitor and the connected device to refresh their settings and connections.
5. Update the graphics driver on your computer as outdated drivers can cause input source problems.
6. If using a multi-monitor setup, ensure that the correct monitor is selected as the primary display.
7. If possible, test the monitor with another device to determine if the issue is specific to your computer.

By following these troubleshooting steps, you can resolve common input source issues and ensure your monitor displays the correct input source.


1. How do I check my monitor input source using the physical buttons?

To check your monitor input source using the physical buttons, first, locate the buttons usually located on the front or side of your monitor. Press the menu or options button, navigate through the menu options using the arrow buttons, and look for the input source selection. Once found, select it to display the current input source on your screen.

2. Can I check my monitor input source using the computer’s settings?

Yes, you can. On your computer, right-click on the desktop and select “Display settings” (or a similar option depending on your operating system). In the display settings, scroll down until you find the “Multiple displays” or “Display mode” section. Here, you should be able to see and select the input source for your monitor.

3. Is there a way to check the monitor input source on a laptop?

Certainly. On most laptops, you can usually cycle through different input sources by pressing the “Fn” (function) key along with one of the numbered function keys (e.g., F4, F5, or F8). Look for the function key with an icon resembling a monitor or two overlapping rectangles. Pressing the specified function key will toggle between different input sources on your laptop’s screen.

4. What if my monitor doesn’t show the input source on the screen?

If your monitor does not display the input source on the screen using the methods mentioned above, there might be an issue with your monitor. Ensure that the cables are securely connected and try restarting your computer. If the problem persists, consult the user manual or contact the manufacturer’s customer support for further assistance.

5. Can I check the monitor input source using software?

While it is more common to check the monitor input source using the methods mentioned earlier, some software applications or utilities may provide this functionality. Check if there are any manufacturer-specific software programs for your monitor model that allow you to check and adjust the input source settings. Additionally, third-party screen management software may offer this feature as well.

Final Thoughts

In conclusion, it is evident that checking the input source on your monitor is a straightforward task that can be accomplished through various quick and simple methods. By utilizing the on-screen display menu, users can easily navigate through the options and locate the input source settings. Additionally, the physical buttons on the monitor itself can provide a quick solution for switching between input sources. Overall, these methods ensure that users can effortlessly verify and change the input source on their monitor, enhancing the overall viewing experience and ensuring compatibility for different devices.

Furthermore, with the advancement of technology, modern monitors often come equipped with user-friendly features that simplify the process of checking the input source. These can include automatic detection of connected devices or the ability to manually cycle through input sources using specific buttons or shortcut keys. This not only reduces the time and effort required but also contributes to a more seamless user experience. With the methods mentioned in this article, individuals can easily determine and switch their monitor’s input source, thus enabling them to enjoy their multimedia content without any complications.

Leave a Comment