Can You Use an All in One Computer as a Monitor

Many of us may have all of our computers on one computer at home or at our businesses, where the majority of them would be used only in offices. Most users are drawn to bigger screens.

As a result, everyone wants to use an  All in One Computer as a Monitor and connect it to another laptops or computers to improve their experience. Keep reading to know whether you can use an All in One Computer as a Monitor

All-in-one computers, on the other hand, cannot be used as separate monitors. Because they don’t have a video/display input option or port. 

The display connections are for video output only, not input; Similar to a laptop’s display. It implies they won’t be able to connect through inputs like any other computer or laptop.

Similarly, displays on all-in-one computers are connected to the motherboard via a ribbon strip, and the results are displayed solely on the motherboards of the computers.

Apart from that, when the computer is turned on, the display of the all-in-one computer turns on which gets power from the computer. 

It indicates that the display cannot be switched on independently, like we can with our computer configuration. We can turn the monitor on and off whenever we want. 

What Exactly Is An All-In-One Computer?

An All in One Computer as a Monitor with all of its components housed in the same casing as the display, with the exception of peripherals such as the keyboard and mouse. 

AIO PCs have grown smaller, sleeker, and less expensive with the introduction of LCD displays. 

In comparison to a desktop computer, an AIO PC is more aesthetically pleasing, small, and simple to set up. In addition, it consumes less energy and generates less heat.

Can You Use An All-In-one Computer As a Monitor? Or Can An All-In-One computer Be Used Only As A Monitor?

Some individuals may be curious and investigate attaching or using an all-in-one computer’s display as a secondary monitor. It’s possible that their curiosity stems from the following:

  • Either their All in One Computer as a Monitor is no longer in use
  • They want to take use of the all-in-one computer’s display in every way they can.

However, we have also investigated several approaches to determine if an all-in-one computer may be used as a monitor. So far, we’ve discovered the following methods for using all-in-one PCs as monitors:

  • All in One Computer as a Monitor display disassembly
  • DVI of the All-In-One:
  • External controllers’ boards

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All-In-One Computer Display Disassembly:

All-in-one computers’ screens are connected to the motherboards of pc, which also houses the power and display. 

You must detach it from the computer’s motherboards when using it as a monitor display. It may be linked for display-in through display ports. 

You may also power it from the PC’s motherboard, although this is not advised due to the higher power consumption. As a result, setting voltages through the adapter is suggested.

You’ll need a display board, similar to the ones used in monitors, to switch on the display after it’s been dismantled.

You may acquire the display in option for all in one computer monitor by soldering/clipping a strip of displays from your all in one pc onto that board.

However, in order to setup and connect, you must be an expert and be aware of all essential and critical elements such as the display voltage, the specific display board, and so on.

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DVI Of The All-In-One:

DVI is an obsolete connection type which may annoy you more than the others. This is due to the fact that DVI comes in a variety of formats that are incompatible with one another.

To identify which cable is correct, you must first examine the plug pattern. To Use this technique follow the below procedure:

  • On one side of every DVI cable, there is a horizontal line connection.
  • Dot connections are above and below the horizontal line on various DVI types. Other DVI types do not have additional dot connections.
  • The connection port and this portion must match on the cable; else the video stream will not operate. 
  • The DVI connectors with the additional dots are referred to as DVI-I. DVI-D is the kind without the dots.
  • You may need to tweak the display settings on the main computer once they’ve been linked to get everything operating properly.
  • Put “display” in the search box on Windows to go to the display settings. This allows you to personalize font sizes and other characteristics.
  • To access further choices, go to the upper right corner of the screen and select “other display settings.”
  • This is where you may set up your various screens, choose their resolutions, and experiment with other options.

External controller Boards:

The second method is similar to the first, but you won’t have to bother about voltage or other parameters.

External controller boards are available on the market and can be linked in the manner. You can find the user manual on several internet websites.

Simply unplug the display from the motherboard of the all-in-one computer and connect it to the chosen external controller board.

Expert Opinion:

Experts discovered the following cautious actions to aid consumers when investigating and applying these steps. Before you begin, you must first accomplish the following steps:

  • You must be thoroughly informed and knowledgeable about all of these things while dismantling and connecting the display with display boards.
  • To avoid damaging a display board, you should be aware of the voltages necessary for the display monitor as well as how to use a current meter.
  • Short circuits should be avoided wherever possible.

What Are The Alternatives If My All-in-one Does not Support Video input

If your all-in-one does not support video input, there are several alternatives available to make the most of your device.

Use It For Its Intended Purposes:

All-in-one computers are designed to be standalone systems, capable of handling various tasks like web browsing, office work, multimedia consumption, and many more. Utilize it for the purpose as it was originally intended.

Secondary Monitor:

If you need an additional display, you can purchase a separate external monitor with the desired input ports like HDMI, Display port, etc. This can be used alongside your all-in-one computer to extend your screen real estate or connect to other devices.

Screen Sharing Software:

You can use screen sharing or remote desktop software to view another computer’s display on your all-in-one computer. This is a practical solution for remotely accessing or controlling another device, such as a laptop or desktop PC.

Casting Or Streaming Devices :

If you want to share the display from other devices, you can use casting or streaming devices like Google Chromecast or Apple TV. These devices allow you to project content from your other devices onto your all-in-one computer screen.

KVM Switch:

If you have multiple computers and a single external monitor, you can use a KVM switch. The hardware allows you to switch between different computer sources on a single monitor, effectively sharing the display.

Laptop Docking Station:

If you have a laptop docking station can turn your all-in-one computer into a hub for your laptop. This allows you to connect your laptop to your all-in-one and use it as a secondary monitor.

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FAQs About Can You Use an All in One Computer as a Monitor

Is the all-in-one computer capable of serving as a monitor?

They are ineffective as a display IN. But you may use the HDMI connector on your All-in-One PC to attach another display if you desire.


We have provided the answer to your query Can You Use an All-in-One Computer as a Monitor. Many All-In-Ones may serve as monitors for gaming consoles, laptops, and other PCs. 

Simply connect one end of an HDMI cable to your connection point and one to your All-In-HDMI-In One’s port, if one is accessible.

Some All-In-Ones will show the signals right away, while others might require you to push the “Display Source” button, which is also known as HDMI or “Input Switch” on some models.

If All-In-One lacks an HDMI-In port, it may instead include a Display Port or USB-C port.

The source button is sometimes found on the computer’s bottom or rear. You can’t use your All-In-One as an external or second display if it doesn’t have an input port.

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