In the years when I was in contact with the computer, I encountered many problems with the monitor. Some problems can be dealt with by yourself, while some problems are not solved by ordinary DIY. Some of these monitor-related problems may have been encountered by everyone, but they do not know how to solve them, so I will share this process with you. My friend bought a brand-name computer. It didn't take long to buy a computer, but there was a problem with the monitor. It turns out that the monitor has been working normally, but when I turned it on in the morning, I suddenly found that the color of the monitor was abnormal. My friend did not set any settings for the OSD menu. I turned on the computer and found that the color of the monitor was indeed abnormal. It seems that the monitor lacked a color. According to the author's experience, this may be caused by bending the display connector pins. So the author unscrewed the monitor connector, and it turned out that one of the pins had been bent. Carefully use tweezers to straighten the bent pins, the monitor color returns to normal. Classical fault 2 The display is geometrically distorted and cannot be adjusted My friend bought the brand machine for only two days, but suddenly found that the frame of the monitor is not straight, and the frame is bent more seriously. After asking the after-sales service staff, I learned that adjusting the OSD button can solve the problem. But I adjusted it many times and I couldn't straighten it! So let the author help to adjust it. I thought that I could easily solve this problem based on my many years of practical experience. I did not expect the problem to be the same after many adjustments. It seems that this may be the case when the monitor is shipped from the factory! It is impossible for the display to be completely free of geometric distortion, but in most cases this distortion is not too severe, and I did not expect this misfortune to be encountered by friends. Brands purchased by friends are very well-known in China, but there are still such problems! So I accompanied my friend to the merchant to prepare to replace a new monitor. Unexpectedly, the problem also existed in the several new monitors opened. No way, in the end, I can only pick one of the things that is slightly better. Here I would like to remind you that you must pay attention to display distortion when buying a computer. Classical fault three-corner color cast The author's previous job was after-sales service of brand machines. During a period of after-sales service for a certain brand, I encountered a lot of monitor corners and the same batch of monitors. Most of these problematic displays have reddish or yellowish corners. After simple degaussing, the problem cannot be solved, only to be sent to the manufacturer for repair. However, some products can return to normal color after a period of use. Here I remind everyone to pay attention to whether the color display of the display is normal, especially the corners, when buying the display. Classic failure 4: After the display refresh rate is set to 85Hz, the screen still feels flickering Especially after installing XP operating system, the situation is especially obvious. Sometimes this problem can be solved after reinstalling the driver, but it is not absolute! This may be caused by display workmanship problems. Therefore, if you find this problem when buying a monitor, it is best to replace the new monitor. Classic fault five: The color of some areas of the display is slightly black or yellow The classic fault 6 monitor is not focused clearly, there is ghosting The monitor with this kind of problem can find that the image is obviously blurred when it is used. This problem is generally caused by the internal circuit problems of the display, or it may be caused by the display being damp. When you buy a monitor, you must not choose such a monitor. If your monitor has such a problem, it is recommended to send it to a professional maintenance department for repair. Classic fault seven display screen jitter or ripple This kind of problem often occurs on monitors that have been used for a long time, which is generally caused by a problem with the filter capacitor, but it is not absolute. But there is no such phenomenon). If this problem occurs, it is recommended to send it to a professional repair station for repair. Classical fault No. 8 "Distance is too large", there is a clear distance between pixels This situation mainly refers to those with a pitch of more than 0.25mm, but the screen display can clearly see the pitch. The popular point is that looking at a straight line on this display is like looking at multiple points! Be aware that most monitors have a dot pitch of 0.25mm, but this is not the case on many monitors. I have encountered several such products, and the popularity of such products is relatively low. Most of this situation is caused by the use of inferior picture tubes in the display. The author recommends that you try not to choose such products. Classical fault nine display screen appears I have encountered some monitors with this kind of problem. After changing their resolutions, I can see that the texture changes. This is also due to the instability of the internal circuit, it is recommended that you try not to choose this product. The classic fault ten display has a "lighting" sound This may be caused by moisture inside the monitor, or it may be caused by poor contact of electronic components. Most of them occur in the high voltage package part of the display. After this problem occurs, it must be repaired immediately, otherwise the kinescope may be damaged. Classical fault eleven changes the resolution, you can obviously hear the click sound inside the monitor This kind of problem is relatively rare. I only found this kind of problem on a certain brand's display, but not all products of that brand have such a problem. It is estimated that the display uses electronic components "shrink". Although this does not affect the use, the author does not recommend that you buy such a display. Twelve classic fault display "no" memory function I often encounter the problem that the display does not have a "memory function", but it is not impossible to remember at any time. When entering some games, the screen may exceed the frame of the display, which may be related to the game, but it does not rule out the design of the display. It is recommended to replace the game when such a problem occurs. If the problem still cannot be solved, it is recommended to send it to a professional maintenance department. The classic breakdown of the thirteenth display screen automatically shrinks, automatically recovers after a period of use The author once encountered a similar problem on the CTX flat screen display, which is related to the display circuit design. Although this cannot be said to be abnormal, the author does not recommend that you choose this type of product. The author listed the various common faults of the display above, so that when you encounter the same problem, you can clearly understand the problem of your display and take appropriate measures. At the same time, I also want to remind everyone to pay attention to these issues when choosing a monitor and avoid choosing a poor-quality monitor.
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One of the classic faults is the lack of display
I have seen a lot of new monitors with such problems. Some monitors have abnormal colors in the middle, and some have dark colors on the left. This is different from the magnetization of the corners mentioned earlier by the author, and it is related to the quality of the picture tube used in the display. It is also likely to be an old picture tube. I suggest you try not to choose this type of product.
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--- PRODUCT SPECIFICATIONS---
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