LCD screen black screen, splash screen, flower screen reasons and solutions

LCD screen black screen, splash screen, flower screen reasons and solutions, you can also refer to the following:

First, the screen of the monitor is very shaken when the computer is turned on. Sometimes even the icons and texts are not clear, but after a minute or two, it will return to normal. This phenomenon occurs mostly in humid weather, which is the internal moisture of the monitor. For this reason, to completely solve this problem, you can use the moisture-proof sand in the food packaging to string together with cotton, then open the back cover of the display, hang the moisture-proof sand near the neck of the tube, near the tube seat, or use external equipment. It can be dried inside.
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Second, the liquid crystal display black screen, only heard its sound is not visible, black, and it takes more than tens of minutes to appear the picture, this is caused by the leakage of the display tube seat, the tube holder must be replaced by: disassembling the back cover You can see a small circuit board at the end of the display tube. The tube holder is soldered to the circuit board. Carefully unplug the circuit board, solder the tube holder, and buy an identical tube holder from the electronics store. The seat is soldered back to the board. If it is still within the warranty period, you can return the manufacturer or merchant warranty.

Third, there are interference clutter or lines on the LCD screen, and there are also annoying noises in the speakers. This phenomenon is mostly caused by poor anti-interference of the power supply. If you are too lazy to do so, you can replace a new power supply.

Fourth, the LCD screen, this problem is caused by the graphics card, if it is a new graphics card, it may be the card is not good or incompatible, and then there is no correct driver installed, if it is an old card If you add video memory, it may be caused by the newly added video memory and the original memory model parameters.

5. There are two vertical black bands on the edge of the display. This is due to insufficient memory of the graphics card. The memory of the earlier computer graphics card is only 1M. If the resolution is set too high, the above phenomenon will occur. To solve this problem. , you can add video memory to the graphics card, there will usually be a socket for adding and storing on this type of graphics card.