Why are there many white dots on the computer screen?

Most white spots are caused by dust or pressure in the backlight group. The specific location can be found by removing the glass substrate to energize the lamp tube and checking the backlight group layer by layer. Generally, white dots are formed on a light guide plate, which is a thick and bright glass plate in a backlight group and has light guiding spots on its surface. If there is dust, grease and wear on the surface of the light guide plate, it will cause shading and form white spots.

Because of the low cost and technical content of computer screen, it is easy to have obvious uneven brightness at the corners, which is also commonly known as "black spots" or "white spots". How to deal with white spots on the computer screen There are many cases of white spots on the LCD screen, and the probability of white spots on the LCD screen of notebook computers is even greater.

Before repairing, we need to know the reasons for the formation of spots. There are two kinds of spots: white spots and black spots, of which black spots or black spots are mostly shading effects caused by compression deformation of glass substrates, and the probability of repairing such spots is not high.