The photographic lamp flashes faintly.

Common causes and solutions of display screen failure.

The display screen is an extremely common fault for many reasons. The failure phenomena caused by different reasons are also different, and the solutions are also different. In the text mode, the flower screen is characterized by chaotic characters, while in the graphic mode, it is usually characterized by graphic layering, and horizontal bars will be generated due to internal or external interference. The following are some thoughts and experiences for your reference.

The 1. display produces horizontal stripes: There are two main reasons:

1) External interference, such as electric spark or high-frequency electromagnetic interference near the place where the monitor is used, will cause white stripes on the monitor display screen. Solution: Avoid using the monitor in this case;

2) Internal interference will cause black stripes on the display screen of the monitor. In this case, you can open the case and check whether there is poor contact inside the display, power output or output transformer. There are many professional technologies involved in this situation, so it is best to ask professionals to repair it.

2. The display screen is caused by incorrect display resolution setting: when the display resolution setting in WIN3 is incorrect. X and WIN95, when Windows starts, there may be a display screen failure, that is, the screen is layered, dithered, and even a serious black screen crash. Solution: enter the settings of WIN3. X or WIN95, and reset the display mode of the monitor.

3. Conflict between the graphics card and the Chinese system: This happens when you exit the Chinese system, and there is no response when you press the button at will, which is similar to a crash. Solution: At this time, enter "mode C080" to solve.

4. The cooling effect of the main control chip of the graphics card is poor: this will also cause the phenomenon of failure of the screen, and the solution: improve the cooling performance of the graphics card.

5. The video memory speed is too low: when the video memory speed is too low to keep up with the host speed, it will also cause the screen to back off. Solution: Replace the higher speed video memory or reduce the host speed.

6. Memory damage: When the memory is damaged, garbled codes will appear on the screen when the system is started. Solution: The memory stick must be replaced.

7. Virus cause: Some viruses also have screens when they break out. Solution: It can be eliminated by antivirus software.