How to prevent a notebook from having dead pixels,

In fact, it is a very common problem to have dead pixels, many reasons, some liquid crystal dead pixels may be caused during use, it may be that you use sharp objects to damage the screen, or be squeezed for a long time, etc., there are also quality problems with the screen itself.

Dead pixels are a kind of physical damage that cannot be avoided in the production and use of LCD screens, in most cases it occurs when the screen is manufactured, and it may also lead to bright and dead pixels due to impact or natural wear and tear in use. As soon as one or more of the three primary colors that make up a single pixel are damaged, bright and bad pixels will occur, and both production and use can cause damage.

Here are a few things to keep you in mind when you use it:

1. It is necessary to minimize the possibility of the screen being directly exposed to strong light, so as to prevent the screen from being irradiated by strong light, resulting in too high temperature and accelerating aging;

2. The LCD screen is one of the most fragile parts of the TV, remember not to use sharp objects such as pens and keys to "point" at the top of the screen;

3. Keep the voltage and power normal. (It may have something to do with this).

Hope that helps! In fact, these things are very fragile, just pay attention to protection when using, and find the company's warranty if it is really a quality problem!

This should be a problem with the screen, whether there is squeezing in the use of the save, etc., and it has little to do with the power supply.

If it is a black dead pixel, it cannot be repaired, and you can only find the manufacturer to replace it or find customer service to return it; If it is a colored dead pixel, you can try to fix it yourself, as follows:

You can use the sleek cap or pencil eraser tip to gently squeeze the dead pixels, pay attention to whether the bad pixels are repaired during the squeezing process, and if not, you can increase the force a little. After about 5 to 10 squeezes, the liquid crystal inside the display screen flows, which can restore the stuck pixels to normal, and then make the dead pixels disappear.

It is worth noting that dead pixels are a kind of physical damage that cannot be avoided in the production and use of LCD screens, in most cases it occurs when the screen is manufactured, and it may also lead to dead pixels due to impact or natural wear and tear in use, so you must be cautious when using the screen in ordinary times.

There are usually several types of dead pixels, and if it is a color bright spot, it means that the pixels of the point are just stuck, and this kind of dead pixel can be fixed. However, if it is a black dark spot, it means that the spot is completely broken and cannot be repaired.

If you buy a new product with more dead pixels, you can find a manufacturer to replace it, and manufacturers with less than 3 bad pixels will not be replaced.

Fix: Open the laptop and set the screen display to a pure black screen to reveal the bright spots. Use the sleek cap or pencil eraser tip to gently squeeze the bright spots, at which point you can see a white glow, if not, you can increase the pressure a little.

After about 5 or 10 squeezes, the liquid crystal inside the display screen flows, which can restore the stuck pixels to normal, and then make the bright spots disappear. B. wring out the hot towel and put it in a plastic bag, put it on the screen with bright spots, try to ensure that the heat is concentrated in the bright spots, and apply hot compresses for about 10 minutes, so that the liquid crystal inside the display screen is heated and flowing, so that the bright spots disappear.

Or change the display screen, there are many excuses for man-made damage manufacturers, although it is a bit expensive, in order to save time and trouble, it is recommended that you EIA.

If you don't see it, you will change it.

I send you a link, I hope it will be helpful to you, this is the experience of other netizens.

The notebook's LCD screen consists of two glass plates, about 1 millimeter thick, with crystal droplets about 5 microns (1,1000 millimeters) thick in the middle, evenly spaced and contained in a small cell structure, each of which forms a pixel on the screen. Under a magnifying glass, it appears in a lattice shape, and a pixel is a point of light. Each spot has an independent transistor to control the intensity of its current, and if the transistor at that point is broken, it will cause the spot to be lit or not lit forever, which is the bright spot or dark spot mentioned earlier, collectively known as "bad spot".

The LCD screen of this book has a dead pixel, is it normal?

According to the default standards in the industry, "bad pixels" are a "normal" phenomenon, just not too much. A certain number of bright spots or dark spots in laptops is a characteristic of LCD technology, and such a phenomenon is inevitable for any manufacturer. Some manufacturers believe that the total number of dark spots and bright spots on the LCD screen exceeds 9, and some large-size computer screens even exceed 16 before they are identified as having problems.

Therefore, there has been a phenomenon that consumers have bought a computer and found that the bad pixel problem has occurred, and the manufacturer does not admit it at all, and almost all notebook dealers have encountered users who have asked for a replacement or replacement of the LCD screen.

How do manufacturers around the world measure the level of LCD displays based on the number of dead pixels? Let's take a look at a simple set of data comparing the Japanese standard: below 3 dead pixels are A-level pass; Korean Standards:

The following 5 bad pixels are A-level qualified Taiwan standards: 8 bad pixels below are A-level qualified Zhongke standards: 0 bad pixels below are AA-level qualified, and 3 bad pixels below are A-level qualified.

In Taiwan's review standards, an LCD screen with less than three (inclusive) is considered qualified; However, Japan is only qualified if it is within one (inclusive).

Only ASUS notebooks are guaranteed to have no bright spots, HP is not guaranteed, as long as it is normal within three, so you use it like this, in fact, one is nothing, I am a monopoly HP, the quality is good!

There is a problem with the laptop screen, it is recommended to send it to the repair station to check that there is a problem with the high-voltage plate.

1 Failing to protect your computer.

2 There is a problem with the computer in the first place.

3 The plug is not plugged in properly.

1.Use a desktop background check.

Merchants often use a variety of gorgeous ** to show you when displaying the LCD monitor, which not only looks good to open, but also allows you to not see the point of lack of filling on the LCD.

When selecting an LCD display, the detection of these three defects: bad pixels, bright spots, and dark spots is very simple. The most common method is - right-click on the desktop with the mouse and select"attributes", select in the window that opens"Appearance", and then"Color"column"Black"or"White"and click again"Applications"。

On the background of the desktop is all black or white or red, green and blue, carefully observe whether there are heterochromatic spots or luminous bright spots on the LCD screen, if there are any point defects on the LCD screen. It is best to ask for another product that is completely free of this defect or point defect on the four sides of the screen before payment.

2.Common software detections.

Of course, when the banquet wheel detects the missing filling of the liquid crystal display, bring a floppy disk or a U disk or a disc with Chi Xiangcha to install several common display detection software, which can also make the dot code skin missing filling quickly show its original shape. Common examples of this software include Nokia Monitor Test, DisplayX, Monitors Matter Checkscreen, etc., each of which has this feature.

If you test the screen, you can turn the screen to black, and then change the cheat book to red, so that it is easy to see if the screen has any bad points.