The monitor has a purple tint. Image on a laptop screen with a red (pink) tint

Good afternoon, dear blog readers! Remember the good old days when the cathode ray tube TV screen suddenly changed color? The hand itself reached for the slipper, just like when hunting a cockroach. But even a modern monitor can suffer the same fate. I was once asked to figure out why the computer screen turned green. A very simple and quick diagnosis followed.

To carry out a quick diagnosis I needed:

• extra VGA wire
• laptop

First, it was necessary to disassemble the existing circuit - monitor + VGA cable + old desktop computer. Upon disassembly, it was discovered that the VGA cable was not a simple one, bought for three pennies in the transition, but with gold-plated contacts! Then the laptop was connected to the monitor, first through a VGA cable with gold-plated contacts, then through the cable that I brought. Which was without frills. The result was not long in coming, but... first things first. What potential reasons could there be for an unexpected change in the color of the monitor screen? Why is the screen color now green?

• problem with the computer's video card
• problem with the monitor
• there is a problem with the cable, for example, there is a break or rupture in its wires
• Problem with software color settings

Let us briefly examine these hypotheses in order.

Video card problem

A malfunction in the graphics chip, for example, its partial failure, is the main reason that the video card “paints” the monitor screen a certain color at the output. We can treat GPU failure at home by warming it up with a special hairdryer. But, to be honest, I haven’t practiced this yet.

If you have a discrete video card in your computer, then it must be inspected for swollen capacitors or other burnt parts. Swollen condensers can be replaced yourself if desired.

Overheating of the video card can lead to the described result. First, it is worth checking the temperature of the video card with the well-known GPU-Z program, so as not to waste something that is securely fastened with tape and works that way. We should not see numbers greater than 90 degrees in the GPU Temperature field. Once I saw the processor temperature about 100 degrees, and it continued to rise rapidly. I had to severely disconnect the computer from the network, otherwise it was in danger of self-digestion.

If it turns out that the temperature of the video card is really going through the roof, then it’s time to clean the inside of the computer using a vacuum cleaner or compressor, then, if necessary, check the functionality of the cooler on the video card and replace the thermal paste underneath it.

You can also damage the connector on the video card, especially if you pull the cable too hard. This can be checked by slightly shaking the connector itself. If it does not stay in place like a glove, then this may well be the reason for the monitor screen to turn a certain color.

The video card connector on the motherboard could become unsoldered during its life. If, when the video card is slightly shaken in the motherboard connector, something happens on the monitor - the screen tint changes, artifacts appear or disappear - then all this clearly indicates a problem with the connector on the motherboard. It is treated by re-soldering it. Or sending the motherboard to a service center.

Finally, the video card drivers could fail. This should be checked last if we suspect a hardware problem, but we must keep this option in mind. Download the latest drivers from the video card manufacturer's website and install them. I hope it doesn't fall out for you!

Problems with the monitor itself

The screen color may have turned green or some other color due to a malfunction of the monitor itself. If the screen of your LCD monitor is painted in warm colors, then most likely the backlights are low. The only solution is to replace the burnt out lamp with a new one.

But still, the matrix, and not the backlight, is responsible for the color, so its malfunction leads to incorrect color rendition of the monitor. In particular, the screen may turn a certain color. Only replacing it will help.

Among the relatively light options is damage to the matrix cable. It is quite possible to replace it with another one. It is easy to find out what gives the screen a reddish tint - the cable or the backlight - just remove the cable going to it from the matrix and turn on the monitor. If the backlight is to blame, then the backlit screen will remain reddish.

The control board may also be faulty. Just as in the case of a video card, a processor failure may occur on the monitor’s control board. In principle, this is also a curable disease with the same heating.

Cable problem

If successive changes of VGA cables had not led to a noticeable improvement in image quality, then it would not have been possible to identify the culprit so quickly. The problem was that there was not enough space on the table for the monitor, so they did this with the cable:

The rich inner world of the cable could not stand it and burst.

There is one adequate solution here - replacing the cable, and don’t do that again!

Problem with software color settings

If there is no reason to suspect the video card or anything else of a hardware malfunction, then it makes sense to reset the monitor’s color settings to default. Someone’s playful hands could well have rummaged through the screen settings. Of course, everything will be different on your monitor, but I will show you the very idea of ​​how you can distort all the colors on the screen. Here is a slightly “collective farm” image:

It is clear that here you can creatively approach the issue of monitor color rendering. If you choose the wrong color scheme, you can then try for a long time to look for swollen capacitors on the video camera.

Or, for example, calibrate colors using the Windows Control Panel. You can ruin everything there too! To verify this, you can go to Control Panel -> Hardware and Sound -> Display, then click on the “Color Calibration” link.

If you compare the last two screenshots, the difference is visible to the naked eye, at least in the white areas of the window.

Also, do not forget that video card manufacturers supply their drivers with various control panels for them, for example, “Intel HD Graphics Control Panel”. Various profiles can be used here as color scheme settings. The profile can be configured in the “Display” section of this program.

So many enticing sliders!

Conclusion

This diagnostic option using an additional replacement cable and a laptop allows you to quickly discard unnecessary hypotheses.

First, we replace everything - both the cable and the computer with a laptop. If the monitor now displays normally, then everything is fine with it. Now we connect the laptop to the monitor using the old cable. If everything is fine now, then the problem was with the computer’s video card or driver settings. If the image again has the wrong colors, the problem is in the cable. However, if no replacements help, you should pay attention to the monitor itself, its color settings and its video connector.

Of course, after the initial sorting of causes, a more in-depth diagnosis should follow, identifying real problems and describing their solutions. Those. not “something with the monitor”, but for example, the wrong color scheme was selected in the monitor settings, which was replaced with a more suitable one.

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Laptop works but screen remains red

• website

• egor

• Leva

  Hello! I have this problem. I play and listen to music, and when I minimize the game everything freezes and literally after 20-30 seconds a red screen appears with a very strange sound, it disappears only after rebooting through the button.

• Ilimbek

  Hello, I have this problem, I was playing and suddenly red cells appeared on my screen, I got scared and turned off the laptop, I wanted to turn it back on, but when I turned it on, the screen was black, but the laptop itself worked.

• Artyom

  Hello, I have a problem: my entire faucet is red. I rebooted the laptop several times and nothing should I do (the laptop is working)?

• Alyona

  What to do if when you turn on the laptop the screen turns green, when you turn on the laptop the picture on the laptop is all blurry and has a pink and green tint, and when you turn on any programs the screen turns pink

• Kirya

  Hello, I have the same problem. When you log in. The loading screen is normal, but as soon as I go to the desktop, it has a red tint at the top. Tell. what to do?

• Sergey

  Hello. A month ago I replaced the mattress on the laptop, but when closing the screen starts to turn red, the same situation occurs when opening the laptop lid. What could be causing this problem?

• Yulka

  Hello. After the laptop is fully loaded, the monitor turns red. If you turn on sleep mode and then exit it, all colors are displayed normally. I rolled back the video card drivers to the old version - colors were also displayed normally, but the laptop slowed down. And with the new drivers the color is red. Interestingly, the colors return to normal during boot and shutdown.

Let's consider problems with the image on the laptop screen that appear in the form of: horizontal or vertical stripes, white screen, ripples in the image on the screen, artifacts on the laptop screen. There are a lot of reasons for the occurrence of such defects, so let’s go through the most common ones.

Vertical stripes on laptop screen

As a rule, the cause of this malfunction is partial detachment of laptop matrix decoders. In this case, the screen (matrix) cannot be repaired, because It is possible to restore the contacts of the matrix decoder only at the manufacturer. Decoder detachment may occur due to mechanical damage or manufacturing defects.

Image on a laptop screen with a red (pink) tint

In this case, the matrix backlight lamp has failed. More precisely, it is still functional, but in the near future the laptop’s screen backlight will disappear. The laptop matrix backlight lamp, like any other light bulb, has its own specific service life and burns out when it is exhausted. Troubleshooting options: replacing the backlight; replacing the matrix if the screen is not collapsible (this is extremely rare).

Rippling or noise on laptop screen

In this situation, first of all, you need to try connecting an external screen to the laptop. If there is noise or ripples on it, just like on the laptop matrix, then the problem is with the video card. Otherwise, if you connect a monitor to your laptop and see a perfect image, you either have a broken cable (from the screen to the laptop’s motherboard) or a problem with the laptop’s matrix decoder. Troubleshooting options: video chip replacement, cable restoration or replacement, screen replacement (depending on the malfunction).

There is an image, but only on half the screen

If the image on the laptop screen is only on the left or right, and on the opposite side there is just a white screen, your laptop matrix is ​​definitely faulty, namely a problem with the screen (matrix) decoders. Troubleshooting options: Replacing the matrix (screen) of a laptop.

Multi-colored stripes on the screen

On the external screen everything is OK, but on the laptop matrix there are multi-colored stripes. If you move or turn the laptop lid, the image appears, but after a couple of seconds the image becomes blurry. Also, in very rare cases, such signs may indicate a malfunction of the matrix cable. The laptop matrix is ​​faulty. Troubleshooting options: laptop matrix replacement or replacement (loop repair).

OUR SERVICE CENTER "RESET SERVICE" OFFERS YOU ITS LAPTOP REPAIR SERVICES IN MINSK. WE CAN SOLVE ANY PROBLEMS WITH THE IMAGE ON YOUR LAPTOP SCREEN AS SOON AS POSSIBLE. SCREENS (MATRIX) OF ANY DIAGONAL ARE ALWAYS AVAILABLE. THE MATRIX IS REPLACED WITHIN 15 MINUTES, THE MATRIX REPLACEMENT WARRANTY IS 1 YEAR.