How To Connect A Second Monitor Through The Motherboard

How to connect a second monitor to your computer and laptop?

Today, you will NOT surprise anyone with a widescreen monitor with a large diagonal. Of course, a large monitor with a high resolution is great, but at one point you realize that a 24-inch monitor is getting small and you want something more. On the one hand, it is illogical to buy a 32-inch and more monitor for a computer. Indeed, why such a large monitor !? What to do on it !? The ideal solution in this situation is to install a second monitor. Why not !? Next, we would like to tell you how to properly connect two monitors to one computer.

How To Connect A Second Monitor Through The Motherboard

Choosing the right second monitor

As you remember, in one of our previous publications we told you about choosing a monitor for your computer. When choosing a second monitor, you must be based on the same recommendations that were given in the mentioned article, but one parameter must be emphasized. The thing is that to connect a second monitor, you need to use different connection interfaces. Therefore, the second monitor you bought must include such interfaces as: HDMI, DVI and VGA. It is important to note that when you connect one monitor using an HDMI cable, you can connect the second one only via VGA.

We recommend that you install the best of the two as the main monitor and connect it via HDMI. At the same time, try to choose a second monitor identical to the first, the best option is if the second monitor is exactly the same as the first.

Setting up a second monitor

In order to set up a second monitor. you need to connect both of them to the computer and call the screen resolution setting menu. This can be done by right-clicking on the desktop, and Selecting “Screen Resolution” from the menu.

To configure monitors, click on the “Find” button, and then on the “Define” button. After that, you need to tell the system which side and which monitor is standing. This can be done by dragging the blue screen to the desired side in the settings menu. Also, clicked on the desired screen, you can adjust its resolution and other display parameters. To have access to a wider dual monitor setup. We recommend installing the driver for the card.

How to connect a second monitor to a laptop

As you’ve probably seen, laptops have dedicated connectors for connecting a monitor. As a rule, there are two such connectors: HDMI and VGA. In turn, the experts of the website recommend connecting the monitor via the HDMI interface, as it provides a better picture. If your monitor does not have an HDMI interface, then you have only one output left. connect it via VGA.

When you connect the monitor to a laptop, it will duplicate the same screen that is displayed on the laptop screen. To do this, as mentioned above, call the “Screen Resolution” menu by right-clicking on the desktop. In this menu, set the display of two screens, by expanding, not duplicating.

Then Move the screens in which they are located to the desired position. How to do this is also described above. Next, let’s adjust the parameters of the monitors, in particular, check if their maximum resolution is set. If one monitor is larger than the second, then set their level in relation to each other as it suits you.

DisplayLink Manager software

All control of the USB adapter is carried out through a special program. DisplayLink Manager.

Its latest version can be downloaded from the official DisplayLink website at the link. In addition to Microsoft Windows, MacOS, Android, Ubuntu and Chromebook operating systems are supported.

I have Windows 7, so I chose this system. Before downloading, you need to name the button “Accept” (Agree) to confirm your agreement with the license agreement. After that, the download should start. Run the installation of the downloaded file with a double click.

During installation, the program will ask you to connect the USB adapter to your computer.

In Windows Device Manager, the USB adapter appears as USB Display Adapters (USB-DVI).

After installing DisplayLink Manager, its icon will appear in the tray. Here is such.

Using this program, you can control the USB adapter: turn it on, off, change the resolution to additional. monitor, rotate the screen, expand the screen on different sides. There are quite a lot of settings.

I will tell you about some features of the DisplayLink Manager utility that can be useful.

By default, DisplayLink Manager launches when the computer is turned on. This is convenient as the desktop immediately expands to an additional monitor.

But, there are times when an additional monitor is not needed for operation. Then it can be turned off.

To disable the additional monitor, left-click on the DisplayLink Manager icon in the tray. In this case, the program menu should appear.

Select item 2.USB-DVI. “Disable”. In this case, the monitors briefly blink, and the indicator on the USB-DVI adapter will go out.

This will disconnect the USB adapter and enter sleep mode on the secondary monitor. For me, for example, the second monitor of the BenQ FP93G brand went to the duty room with a slight delay, but, as I understand it, it depends on the monitor itself. Dell monitor P2217h went to duty immediately after disconnecting the adapter.

To turn on the additional monitor again Do the same operation as when turning off the monitor, but this time select the item “Expand”. This.

In this case, the main screen will briefly blink, and the indicator on the USB-DVI adapter will light up. The desktop will again be extended to an additional monitor.

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If necessary, you can expand the desktop to the case / left, as well as from above or below the main one. For example, I have a desktop extended case, but someone might need a different configuration.

If you expand the desktop from above or below the main one, then you may encounter this. Move the mouse to add. the monitor can only be within the border of the width of the second monitor. For example, the width in pixels of the main monitor is 1920 pixels, and the second is 1024.

In this case, if you move the mouse to the top / bottom edge within 1024 pixels, then you can easily move the mouse cursor to the second monitor. If you enter the mouse pointer further than 1024 pixels, then it will NOT work to move it to the second monitor. Such is the feature.

For those whose monitor allows you to change the position of the screen, the option may come in handy “Screen rotation”.

When changing the screen orientation from landscape to portrait, simply select the item “Rotate the screen” and then one of four options to choose from.

You can return the image to the right or to the left. Turning step 90 0.

If you select the item “will overturn”, then the image on the monitor screen will be displayed “upside down”. When selecting an item “Standard Album” the image on the screen will take the standard form, which is the default.

On the second tab of the menu there is an item “Screen resolution”. Through it you can set the screen resolution of the second monitor. Usually the program independently determines the nominal resolution of the additional monitor, but, if required, it can be set manually. It was detected automatically for me. No further action was required.

If you select the item “Use this monitor as primary”, then the secondary monitor becomes the primary monitor. A taskbar will appear on its screen. This can be useful if the secondary monitor has a higher resolution and you work primarily within the boundaries of its screen.

Paragraph “Create copy” duplicates the main screen image to the second monitor. What I didn’t like about this mode is that the image resolution on both screens gets smaller, and its proportions and positioning on the screen change.

Apparently, this mode is used in conjunction with projectors. I don’t need him.

Paragraph “By TV screen” may come in handy when the USB adapter is used in conjunction with an LCD TV. In some cases, even when the adapter works correctly with the TV, there are black margins on its screen at the edges. You can correct the position by adjusting the image manually.

To do this, select the item “By TV screen” and adjust the image on the TV screen so that it occupies the entire screen.

A red frame appears on the LCD TV screen, the edges of which can be shifted with the buttons “” and “-” in the window “By TV screen”. Configure and press the button “Apply”.

There are two items in the DisplayLink Manager main menu: “Sound setting” and “Advanced configuration”.

When you click on an item “Sound setting” the standard settings window opens “Sound” Windows system, which is available along the way “Control Panel”. “Sound”.

The fact is that some USB adapters also support audio signal transmission, for example, via HDMI. Therefore, the program has a sound setting item.

The situation is similar with point “Advanced configuration”, which simply refers to the system settings tab Windows screen resolution ( “Control Panel”. “All Control Panel Items”. “Screen”. “Screen resolution”).

You can check the DisplayLink Manager software version by clicking on DisplayLink Manager” at the top of the main menu.

If there is a new version of the program, it is better to download and install it, since errors in newer versions can be eliminated.

During the operation of the USB adapter, some of them came to light. It is very rare for a driver to fail. Solved by reboot. Sometimes this is not required, the driver restores its work automatically.

Another “glitch”, which was revealed when using the adapter, this is the hang of the program, the window of which was on the screen add. monitor. Hangs occur when disconnecting USB adapter via DisplayLink Manager menu.

Basically, this is how the Media Player Classic freezes during playback. Perhaps this is a feature of the player itself. It was solved by forced closing Media Player Classic and restarting it.

How to connect a second monitor via USB?

When working at a computer, a second monitor is sometimes required. But there are times when the required D-Sub (VGA) or DisplayPort output is available in the computer. For example, it may not be in the candy bar, as it happened in my case.

Naturally, many are wondering if it is possible to connect a monitor via USB?

As it turned out, there are a variety of USB adapters on sale with an output to VGA / HDMI / DVI or combined. In addition, there are adapters that only work with USB2.0, and there are adapters that support both USB3.0 and the outdated USB2.0.

After a short search, I settled on USB adapters based on DisplayLink technology.

The essence of such a USB adapter is as follows. A program and driver (in this case, DisplayLink Manager) is installed on the computer, which has access to the resources of the central processing unit (CPU) and card (GPU).

the stream to the second monitor is compressed and transmitted via USB to a decompressor, a specialized microcircuit that is built into the adapter itself. This microcircuit performs decompression of the signal received via USB and displays the picture on another monitor.

As you can see, this uses the CPU resources of the computer itself, which compresses the signal. However, it can be quite heavily loaded. If the picture on the extended monitor is NOT updated, then no compression and processor load occurs, since the control program constantly monitors changes on the screen.

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The USB adapter itself is powered via the USB (5V) bus and does not require an external power supply, which is very convenient.

On the official DisplayLink website in the section “Products using DisplayLink Technology”, You can see the list of manufactured devices. Among others, there are USB adapters and USB monitors.

The range of manufactured USB adapters is quite extensive. Basically, devices differ in the supported type of USB interface (2.0 / 3.0) and the maximum allowable resolution of the output image. Typically, USB2.0 devices support up to Full HD (1920 x 1080) resolution, while USB3.0 devices can display up to 4K (3840 x 2160) resolution.

To work with my monoblock, I bought a PLUGABLE UGA-165 USB adapter, or rather, a copy of it.

As it turned out, an exact copy of the PLUGABLE UGA-165 model is being sold on Aliexpress for a fairly low price. He took it. Here’s what’s included.

This is the so-called Single Display Adapter, that is, an adapter for one monitor. There are adapters for two, three monitors and a full-fledged docking station, to which you can connect several additional high-resolution monitors.

I chose the right adapter quite carefully. It was required that it work via the USB2.0 interface and have different types of VGA / HDMI / DVI outputs. This would allow, on occasion, to connect any monitor or LCD TV.

In addition, I really wanted to get a picture on the screen with the highest possible resolution (HD Ready, or better Full HD).

The kit included two additional adapters for a standard 15-pin VGA connector (aka D-SUB) and HDMI. This will allow the adapter to be used in conjunction with new LCD TVs and monitors, which are increasingly equipped with an HDMI input.

For completeness, I will show a photo of the insides of the adapter.

Here is a printed circuit board with not many elements.

Bottom print view.

Onboard BGA chip DL-165 belonging to the second generation of DisplayLink specialized processors.

Points to consider when choosing a USB adapter?

First, you need to know which version of USB (2.0 or 3.0 / 2.0) the adapter will work with. For example, my monoblock simply has USB3.0 connectors, so I chose an adapter that supports an older version of the interface (USB2.0).

If your computer has a modern USB3.0 connector, then it is better to take an adapter with USB3.0 support. Some of the USB adapters support both USB3.0 and USB2.0 interface versions. But here it is worth understanding that the bandwidth of the USB2.0 interface is low, and it will not be able to display a picture with a resolution greater than Full HD (1920 x 1080) on the monitor. This is for him “ceiling”.

Another thing is USB3.0, the bandwidth of which will be enough for multiple monitors with high resolution.

The second thing to consider is what kind of connector will be in the USB adapter. If standard VGA is enough for you, then you can get the cheapest adapter. Newer monitors support the newer HDMI and DisplayPort interfaces. Therefore, you should think ahead and take something newer. Or such an adapter, which is equipped with all these connectors, as in my case.

The third thing to consider is that USB transfer technology uses up the resources of the central processing unit (CPU) to compress the image. At the same time, it is quite heavily loaded.

If you have a weak processor based computer Atom or Celeron, then, perhaps, you will come across the fact that with a dynamically changing picture on the second monitor, the computer will “hang”, since his already small resources may not be enough.

Here is a screenshot for an example. Loading the processor Intel Core2 Quad Q8400 (2.6GHz) of my candy bar when outputting to the second monitor of the player, which plays a movie with a resolution of 1920 x 1080 (Full HD). As you can see, the load is at least 14

fifteen%. This is provided that other processes on the computer are NOT running.

If you move the player window to the screen of the main monitor, then the load on the processor drops sharply and remains at level 3

It is also worth remembering one feature. If the picture on the second monitor is static, that is, it does not change, then there will be NO load on the computer processor. The image is simply displayed on a second monitor from the memory of the USB adapter itself.

And one more important thing to know about. Inexpensive adapters based on old processors are only suitable for transferring mostly static and little-changing images. They are not suitable for dynamic games!

Even when playing high-quality Full HD, the computer starts to slow down. Therefore, with a higher resolution and bit rate, it is better to view it on the main monitor, and use the second one to display small-changing images. For example, use a second monitor for surfing the Internet, viewing documents, etc.

Despite all the advantages, the UGA-165 USB adapter upset me at first.

After unpacking, I decided to try it out in conjunction with an LCD TV Samsung LE32A430T1. But the TV does not point-blank “saw” signal from the adapter and I did not manage to display a picture on it. I tried everything. I connected both via VGA and HDMI, climbed into the TV settings, changed the resolution. Nothing helped.

To calm down, he explained this stubborn reluctance of the LCD TV to work with a USB adapter only by the fact that it is already quite old. In addition, in the instructions for the TV, I found a clarification that it does not support SOC synchronization or something like that. Perhaps the reason lies precisely in this.

How to connect two monitors to a computer?

in windows

  • Make sure you can connect multiple monitors to your computer.
  • Find out what connectors are on the card and on the monitors.
  • Buy the cables you need (if not available).
  • Turn off your computer.
  • Connect the first monitor to one of the card connectors.
  • Connect a second monitor.
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In two 22-inch monitors, the working surface area is much larger than, for example, in one 24-inch monitor, while the bundle of two such monitors itself costs the same as one 24-inch. It is clear which option you need to choose if you need maximum space.

card with two outputs

To connect two monitors to a computer at the same time, you need to acquire a card with two outputs, or an additional card. The latter option is more expensive and will give good performance, but in most cases a regular card with two outputs will suffice. Often these will be DVI outputs, since two HDMIs on one card are rare, and DVI is quite enough for our needs.

As for the choice of the second monitor. it’s up to you personally. From an aesthetic point of view, it is highly desirable that they be the same model. If it doesn’t work out, then at least they should have the same diagonal. It will be much more convenient to work with such a bundle.

So, turn on both monitors. You can also configure support for two displays using the built-in tools of the operating system. To do this, we go to the monitor settings (right click on the free area “Desktop”. “Properties”). We turn on both monitors. For basic features, for example, moving a window from one monitor to another, the built-in tools of the operating system are enough, but very soon you may not be enough of them, and then you will need to use third-party programs.

Dual Monitor Applications

There are enough of the latter. Starting from built-in tools in card and monitor drivers, ending with third-party applications. Convenient is the DualHead program, which remembers the user’s behavior when working with two monitors and adjusts accordingly. If you have an ATI card, you can use the Hydravision software. By the way, there is a small limitation in it. monitors must work at the same resolution.

There are some disadvantages in the built-in Windows tools, which can also be solved by installing the MultiMonitor Taskbar program. For example, Windows adds the taskbar to the primary monitor only. But the specified program is for each of them, while the application window, which is located on the left monitor, will be displayed in its taskbar. This is actually much more convenient, and it is not clear why this feature was not included in the OS.

In any case, whichever program you choose for your monitors, working with them will be much more convenient than with a friend, while NOT much more expensive.

If you are in doubt about what HDMI or DVI outputs look like, we recommend that you read the review below.

setting up monitors

So, in the paragraph above, it was sorted out how to connect 2 monitors to one PC. But for the multi-monitor configuration to work, the connected screens must be properly configured. The table below will help.

Note: if you need to do the same on a laptop, it doesn’t matter. Most laptops have the right connectors. Most often they are equipped with an HDMI port.

How to connect 2 monitors to a PC setup and software for working with two monitors

Tip: bezel-less displays look perfect when paired.

Multi-slot card

Several slots in the card are a prerequisite for simultaneously connecting two or more monitors to one computer. Cannot connect multiple displays using the connector on the motherboard (vertical socket at the top of the rear panel).

Note: the card slots are horizontal.

The exception is Apple monoblocks. Most of these computers have a Thunderbolt on the back. You can easily connect a second monitor to it, you only need an appropriate adapter.

In the case of a PC, the card must be equipped with connectors of the type:

  • Display Port;
  • HDMI;
  • DVI;
  • VGA.

Either of THESE ports allows you to connect 2 monitors. However, it happens that the types of connectors in cards and screens do NOT match. In this case, you can advise using an adapter or purchase a cable with different connection interfaces, for example, HDMI-VGA.

Software for working with Multiple monitors

Programs Recommended for Multiple Monitors:

1. Multi Wall. software is Russified and you don’t need to buy it. Using the utility, you can set a different desktop wallpaper for each monitor, which is not possible when using the classic Windows features. You can stretch the image too. And the user also has the ability to download wallpapers directly from the “window”, automatically install them from a specific site, Process images.

2. Dual Monitor Taskbar 1.21. Like the previous version, it is distributed free of charge, but the Russian-language interface is not provided. The main feature is the creation of a second taskbar from the extended screen, which is a continuation of the main panel. Configuring the layout of the windows is another useful feature of the utility.

3. Dual Monitor Tools 1.8. a free Russified set of tools, which allows you to quickly move windows from one monitor to another. The location can be selected in advance. There is an option to launch applications with the ability to define a monitor to open a specific program.

That’s the end of the quick guide to quickly connecting two monitors to one computer. As you can see from the article, this is not difficult to do if there is a suitable card. Well, if the ports do not match, it is enough to stock up on the necessary adapters. Setting up a multi-monitor configuration is also easy: it will take about five minutes. and you can use 2 monitors from one PC. A The above software will add comfort.