Connecting two monitors to a computer or laptop may be required for a variety of reasons. As a rule, this is done for professional purposes - for the convenience of video editing, photo processing or working with texts. However, this can also be useful for the average user - you can play on one monitor and use an Internet browser on the second.

Even the most inexperienced user can make the connection - you just need to select the right equipment and detect and configure the second monitor operating system she can do it herself. The problem can only arise if, when connecting a monitor to a laptop, the standard display turns off, or the same image appears on both screens. How to display different images on monitors?

Steps to connect a second monitor

The entire connection procedure can be divided into two main parts: hardware and software. At the first stage, the user needs to find out what kind of video card is installed in his computer and what connection interfaces it has. Depending on the computer, there may be one or more connectors; they may be different types– in this case you will need an adapter or different monitors.

The software part is usually executed automatically. After connecting the second monitor to a free connector on the video card, any modern operating system will independently start the process of detecting new equipment and transfer the video stream to it. If this does not happen, the user can start the discovery manually.

So, first of all, you need to inspect the video card installed in the computer. Each of the connected monitors will need its own connector; Typically, at least two outputs can be found on a discrete map. If there is no second connector, the problem can be solved in different ways:

• purchasing a new graphics card with several interfaces can be very expensive, but in addition the computer will receive more resources for video processing;
• install a second video card cheaper, if the design allows it motherboard and computer case - there must be a free slot and sufficient space;
• using a video splitter – budget option, which can, however, somewhat spoil the image quality if the old analog interface is bifurcated.

If you plan to connect a second screen to a laptop, there are practically no options - replacing a video card will easily cost half the cost of a computer, and installing a second board is most often impossible. In this case, it is best to immediately select a laptop with an additional video interface, preferably digital.

Variety of interfaces

To connect a monitor to a computer without problems, the connectors on them must be of the same type; Sometimes you can use an adapter, but a loss of quality is inevitable. The choice of interface can be made from the following list:

• VGA (D-Sub) is an old analog interface designed to transmit images in low resolution and low quality;
• DVI -I and DVI -D - low-level digital interface, very common - found on most monitors and video cards;
• HDMI is a universal interface (it can transmit not only pictures, but also sound), found not only on computers and monitors, but also on TVs and game consoles;
• DisplayPort is a modern option for connecting monitors with 4k resolution;
• Thunderbolt is the fastest interface to which you can connect a large number of monitors without losing image quality.

It is impossible to connect something incorrectly - all connectors and plugs have a completely different design. Adapters can only be used when connecting connectors of the same type (for example, analog VGA and DVI-I, transmitting analog signal along with digital). To connect an analog interface to a digital one, you need a special device - a DAC.

The easiest way to output a signal from a laptop to a monitor is to select only one monitor that matches the additional video interface. The signal will be separated in exactly the same way as in the case of a conventional desktop computer. It will also be possible to display different images on separate and built-in screens.

Setting up a second monitor

In most cases, the system itself will detect new equipment and display an image on it. As a rule, when connected to a laptop, the same image begins to be displayed on both screens, and when connecting a second monitor to a desktop PC, the desktop lengthens. However, sometimes this may not happen. Before adjusting the output of different images, you should understand this problem.

Enabling a second monitor in any version Windows systems carried out through the control panel, in the screen settings menu. There are three parameters available for adjustment:

• image output mode – on one or both screens, mirrored, desktop stretching;
• screen resolution;
• orientation – horizontal or vertical.

After this, both monitors will have a common desktop. This already allows you to have a different image on different screens - for this, of course, you will have to run applications in windowed mode and place them in a certain area of ​​​​the desktop.

Creating two independent desktops

If you need to have two separate desktops, easy connection monitors for a shared video card will not be enough. You can do this in several ways:

• connect the equipment to a modern card with several GPUs and select the appropriate mode in the settings;
• connect each monitor to a separate video card;
• use special equipment, connected to one video card and separating the video signal.

In the latter case, you can even connect two monitors to a laptop - in this case, there will be one large desktop on them, and a second on the built-in display.

Thus, even an inexperienced user can figure out connecting and setting up a second monitor.

Video tutorial on setup

As you probably already know, the most natural-looking mode is the “cinema” mode, which is free from excessive image smoothing, the action of “enhancers” and excessively bright colors, as well as unnatural shades.

It is most preferable to adjust the brightness level that is comfortable for you, relative to the lighting level in the room. You can use automatic brightness control as it can protect your eyes and save energy. Based on the brightness of the image, you adjust the contrast and definition of the outline so that both dark and light areas are well defined and the image is clear - without rough edges or double edges.

Next you will need to adjust the color intensity - with this basic setup as a “movie”, in most cases it can be increased a little. If you often watch sports programs, it is worth activating the function for optimizing the image of dynamic scenes ( Samsung "Motion Plus", LG "TruMotion" etc.). Together with noise suppression, this can give a very smooth, but at the same time quite unnatural picture.

Of course it can't be called . In my opinion, a TV should not only show some kind of picture, but also introduce as little distortion as possible into the original video material. Do not forget that the main purpose of any TV is to convey to you exactly the image that they wanted to show you. With the advent of HDTV, most of the standards were immediately outdated, and the most relevant now is the REC709 standard, which is used in high-definition television (HD) and Blu-Ray video.

The general parameters for a correct image are as follows:

• color temperature 6500K (D65);
• linear gamma, recommended value 2.22, for a darkened room 2.4;
• recommended brightness ~120 cd/m²;
• color gamut according to REC709 (same as sRGB gamut).

Modern TV manufacturers customize their products horribly, as they are only interested in increasing sales. As a result, the colors are distorted: more “bright blues” and “vivacious reds”, most importantly, more than their competitors, so that the products look more attractive on store shelves.

Unfortunately, the only sure way to get the correct image on the TV screen is. It consists in the fact that reference images are supplied to the TV input, and measurements are taken from the screen. Next, adjust the TV settings until the image parameters are as close as possible to those required by the standard. But this setup is quite labor-intensive and requires knowledge, and above all equipment.

Is it possible to make the image on your TV screen more accurate without resorting to hardware adjustments? Here are some tips based on my experience setting up various TVs.

We have dealt with the issue " Which picture mode should I choose? Yes, on the vast majority of TVs, the most correct mode is Cinema/Cinema. Close to the standard color temperature (6500K) is the Warm mode. If there is a choice of Warm1/Warm2 (for example, on Samsung TVs), individually determine your preference. It is recommended to turn off some settings to get the best picture.
For example, those that adjust brightness/contrast in automatic mode: “dynamic contrast”, “energy saving mode”, “light sensor”, “dynamic backlight” and I advise you to disable the “Dynamic” image mode.

“Contrast” is also important; in theory, it is the ratio of the maximum brightness of the white field (white level) to the black level (the minimum luminosity level of the panel). In the TV menu, this setting changes exactly the white level, that is, the level of maximum image brightness.

Tips for setting “contrast” for plasma panels:

• It is better to adjust the “contrast” parameter in the dark;
• display an image with a white level window (100IRE) (you can find it on the Internet);
• set the “contrast” parameter to a value close to the maximum (90-95);
• reduce the “contrast” parameter until the picture with the white level (100IRE) stops “hurting the eyes.”

In plasma Samsung TVs There is a cell light parameter that has a big impact on the overall brightness of the image. You can immediately set it to a value close to the maximum (18-20), and then follow the recommendations. LCD TVs are designed differently - they have a “backlight brightness” parameter (less commonly called “backlight contrast”), which is most important for the overall brightness of the image.

Tips for adjusting “contrast” for LCD panels:

• It is better to make adjustments in the dark;
• set the “contrast” parameter close to the maximum value (90-95);
• display an image with a white level window (100IRE);
• set the “backlight brightness” parameter to the maximum or higher value than necessary;
• reduce the “backlight brightness” parameter until the picture with a white level (100IRE) stops “hurting the eyes.”

I do not recommend using the maximum values ​​for the “contrast” parameter, since some TV models may experience non-linearities when setting the maximum value color temperature.
An overly bright image (real brightness on a TV is determined by “contrast”/“backlight brightness”) strains your vision and leads to eye fatigue, remember this when you adjust these settings.

Brightness setting

The "brightness" parameter determines the black level. To install it in the correct position, you can use the special “Pluge pattern” image (can be downloaded on the Internet). In this image, the leftmost vertical stripe is equivalent to black. To set the “brightness” parameter to the correct position, first increase it until you can clearly distinguish all the stripes, and then decrease the “brightness” parameter until the leftmost vertical stripe merges with the background. Plus, you can use special setup discs, such as AVSHD, where in the “Basic Settings” section you will find the necessary images to configure the basic parameters of the TV.

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Setting the correct sharpness value

“Sharpness” (sharpness) - this parameter is responsible for the clarity of the image. This parameter is necessary to obtain a clear image with different distances viewing. To configure this parameter, you can use the special “Sharpness pattern” image.

The method for setting “clarity” is as follows:

• position yourself at a comfortable distance to watch TV;
• display “Sharpness pattern” on the TV screen;
• increase the “sharpness” parameter to the maximum, or to a value at which artifacts of excessive “sharpness” will be clearly visible: light halos around objects and thickening of thin lines;
• Reduce the Sharpness setting until image artifacts, such as light halos around objects and thickening of fine lines, disappear.

Adjusting color/saturation

Set the parameter correctly chroma/saturation It's difficult without measurements. My advice is to display high-quality nature photographs on the TV screen with many shades of green (since the shade is the most difficult to perceive and the eye is most sensitive to it, and on many TVs there can be an overabundance) and adjust the “color/saturation” parameter until the image will not look as realistic as possible. Additionally, you need to check the settings on high-quality photographs of people; skin tones should be natural.

If your TV has white balance settings and a color management system (CMS), then you can only adjust them correctly using. It is useless to configure these parameters “by eye”.

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Everyone who uses a laptop in everyday life has at least once wondered how to display an image from a laptop to a TV. Watching movies and images is much more convenient on a huge TV screen.

Not all TVs have Internet access, which is why it becomes necessary to use a laptop to watch. Today I will tell you in detail how to do this.

There are many options for viewing videos stored on your laptop on your TV. Let's talk about each in more detail.

The TV screen can be used for the following purposes:

• Second monitor.

If your TV is not Smart, then this mode will connect automatically. On a Smart TV you can choose the mode yourself.

• External file storage.

The laptop is used as a flash drive, and all files are managed on the TV. In principle, all methods come down to how to connect a laptop and a TV, and differ only in the type of connections.

You need to determine which of the methods described below is appropriate in this particular case. What types of connectors do your devices have?

USB cable

A USB cable is required for connection.

Find on TV USB connector, for flash drives and connect the laptop using a cable. The laptop will in this case work as an external memory card. Once the connection is established, you will see the desired image on the TV screen.

WI-FI

There are laptops and TVs that do not support Wi-Fi. If this is your case, purchase an adapter specifically designed for this purpose. Such adapters do their job perfectly.

There are two types of Wi-Fi connection:

1. Direct connection;
2. Router.

Almost all Smart TVs have WIDI technology. If the technology is not available, purchase an adapter and insert it into the HDMI connector. For correct operation you must have the program installed: Intel Wireless Display. Then, in the network settings on the TV, activate WiDi.

Using a router, the TV is connected to the Internet in a standard way, just like a laptop. This method described in my article:
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Make simple network settings on the TV, enter the Wi-Fi password.

If you decide to use this method, remember that speeds may vary depending on your Internet connection.

Local area network (LAN)

This connection method is preferred by many users, considering it the most convenient. Lan allows you to take advantage of all the functions of a smart TV.

As a rule, the TV setup takes place automatically. If automatic setting does not occur, you will have to configure the parameters manually or seek help from a specialist.

Network folders will become available after installing the DLNA program. There is a large selection of such programs on the Internet.

HDMI

This method is the simplest and most convenient. You can transmit both audio and video using one cable. If your devices have these ports, then by purchasing the appropriate cable, you will connect your laptop to your TV.

There are two types of HDMI cable: Standard and High Speed. Any cable works smoothly on short distances. If there is a need to increase the distance, you can purchase an amplifier.

DVI

DVI-D can easily transfer files in FullHD quality and 3D format, but without sound.

To transmit sound, you will need to use additional devices. The cable can be of different lengths. Before purchasing, it is better to check its performance.

VGA

This connector is found on many TVs older than three years.

The VGA connector has been used for a long time and has not lost popularity. However, sound is not transmitted with this connection. The cable can be found in different sizes.

This type of connector was used many years ago. Yes, and at present it is best option transfer files to old TVs. For example, view photos.

Although the image quality will not be at the highest level. Laptops with an S-Video connector have long been discontinued. But if your laptop has such a connector, you can use an adapter.

RGB

This exit is often called a “tulip”.

In this case, the image appears on the TV using three channels (red, green, blue). New TV models continue to be released with such connectors. Connect to a laptop using an adapter to the VGA port.

SCART

The connector was developed many years ago, but is still found on many devices.

If there is an option to use more in a modern way file transfer, you should not use SCART, since a high-quality cable of this type is expensive, and the quality of the transmitted content is quite low.

How to display an image from a laptop to a TV, summary

Viewing files from a laptop on a TV is quite simple. There are many ways to do this. And it doesn’t matter what model your TV and laptop are.

Choose the method that is most convenient for you and watch your favorite videos, files and photos on your TV.

If you have a free minute, read the following articles:

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Regardless of the screen size, every LCD owner wants to get maximum quality from the image produced by the screen. In order to get closer to the benchmarks for format, brightness, contrast, color and focus, we will use various expert tests from Burosch.

The tests they created are used all over the world to evaluate the quality of the image produced by a TV screen. These tests and setup instructions are only suitable for liquid crystal (LED, LCD) TVs not older than 10 years.

Does the screen need to be adjusted? Didn't the manufacturer take care of this?

This is partly true. Large production volumes do not allow the manufacturer to fulfill fine tuning screen, be it Samsung, LG, Sony, Toshiba, Sharp.

The operating conditions of the TV play an important role. They will always be different: the signal sources are different, the TV is installed at different heights, the distance to the TV is different, the room lighting is different and many more aspects. Therefore, it makes no sense to adjust the image either at the manufacturer’s factory or in the store, but you need to do it at home, in the place where the TV will be installed.

Is it difficult to set up your TV correctly? To me ?

Achieving the correct display of the picture is no more difficult than setting up the channels. It will take no more than 20 minutes of your time. To make your TV pleasing to the eye, you only need to adjust the picture settings so that the test pictures are correctly displayed on the screen. You will see below exactly how it should be “correct”. Test pictures are selected by experts so that after adjustment you can enjoy any scenes in terms of brightness, color, clarity and contrast.

More details about test images

Each individual picture serves to configure one parameter. The test from Burosch contains:

• Pictures for adjusting five basic parameters: format, brightness, contrast, color and focus.
• Pictures with test zones for simultaneous adjustment of several parameters
• Pictures for professional calibration
• Several real pictures for verification

Test pictures for each parameter

Used to adjust a single parameter. After adjusting this parameter, you will need to switch to another picture and adjust another parameter.

Test pictures with several test zones

They are used when you need to configure quickly or when the configuration is performed by an inexperienced user. On such images, you can adjust five basic parameters at once.

How to display test pictures on TV?

To display test images on the screen, use USB drive(having previously written files from the archive onto it), if your TV is equipped with a USB input, if there is no USB input, output the image from your PC / laptop.

You can download the archive with files using . Save this file and unzip it. Write the unzipped files onto a USB flash drive, and then plug it into the appropriate TV connector.

Let's start setting up the screen

First of all, you need to select the signal source on the remote control.

To do this, press the Source or Input key and select the image source: USB flash drive (or the corresponding HDMI input, if broadcasting from a PC/laptop).

Next, you need to enter the TV menu: to do this, press the menu button on the remote control and go to the image settings. U different manufacturers The menu button has different names: it can be Settings, Options, Menu. The picture below shows the most common remote controls.

If you have difficulty entering the menu, you can find a more precise description of this procedure in the instructions for your TV, specifically for your model. When you enter the menu you will see something like this:

Setting the screen format

In order for the format to be configured correctly, you need to disable the scaling functions (overscan, upscale) in the menu.

Brightness setting

The correct brightness setting is achieved when all gradations gray clearly visible against a black background. To do this, use the remote control keys to move the brightness parameter slider in the menu until all shades of gray are visible.

Adjusting Contrast

Correctly setting the contrast is similar to setting the brightness, the only difference is that now the background is not black, but white. The correct setting will be when you see all the shades of gray on a white background. To do this, use the remote control keys to move the contrast parameter slider in the menu until all shades of gray are visible.

Color Setting

Color saturation and color temperature are adjusted based on human skin tone. In order to receive correct settings color, you will need a test picture with women depicted in it. They have different color skin, you need to adjust the regulators so that the skin looks natural. To do this, use the remote control keys to move the color parameter slider in the menu until all faces look natural.

Setting Focus

Sharpness adjustments must be made after fine-tuning the format as described above. So that the TV screen displays clear image on the test picture it is necessary to achieve the most accurate display of intersections and lines. To do this, move the slider of the focus (sharpness) parameter in the menu using the remote control keys until all intersections become visible.

After completing these settings, exit the menu, remove the USB flash drive, and turn on any movie or TV program. After these, your TV is set up for pleasant viewing of videos of any content: from dynamic action films to documentaries about nature.

WiFi