笔记本屏幕变暗的原因及解决（Reasons and solutions for darkening of laptop screen）.docVIP

笔记本屏幕变暗的原因及解决（Reasons and solutions for darkening of laptop screen） Normally, when the laptop is used for a long time, the screen becomes dimmed. Laptop screen screen will seriously affect the operation, the notebook screen is too dark, many reasons, the author in HP, ASUS and other brands appear screen screen darken the most parts for everyone to do a detailed answer. One of the reasons for the laptop screen being dark: the motherboard problem There may be no computer motherboard voltage, or the high voltage board and motherboard problems, aging and short-circuit and other failures, in general, most of these failures can be repaired, and not necessarily to change the motherboard Laptop screen hair dark reason two: broken screen line The broken screen of the display screen causes the screen to darken. Because the notebook is all folded, the screen line and even the screen line will be broken if we force the screen to open and close too much. We need to pay more attention to our daily use. Laptop screen dark reason three: high pressure plate problem The aging of the high voltage board of the computer or the burning of the power supply or the loosening and burning of the power cord of the high voltage board cause the screen darkness caused by the high voltage board to be more common. The high voltage board of the display will work in high temperature for a long time, so the chip will be more easily aged or burned out. Notebook screen sends dark reason four: display lamp problem The tube lamp aging or short circuit and other reasons can make the screen dark, such a situation we can take the notebook to the professional personnel to handle or return to factory processing, and lamp aging generally is to use for a long time or there is a collision in the process of using, and the notebook screen may have internal short-circuit because the metal shell screen caused more, another laptop display screen shell rupture may also prevent short-circuit. Four cases of darkening of