Analysis and Solution of Common Faults in LED Display Screen.P1.923 led screen modules

　　Phenomenon 1: The entire screen does not display

　　The possible causes and solutions for this phenomenon are as follows:

　　1. The AC power distribution cabinet is not turned on - turn on the switch of the distribution cabinet;

　　2. Computer stop working - turn on the computer to make it work;

　　3. The sending card has no signal and the green light does not flash - set the graphics card to enter copy mode, and if the problem still cannot be solved, replace the sending card;

　　4. The signal cable sending the card to the screen is disconnected - detect the communication cable, and if the problem still cannot be solved, replace the network cable;

　　Phenomenon 2: Abnormal full screen display

　　The possible causes and solutions for this phenomenon are as follows:

　　1. The internal program of the receiving card is incorrect - resend the receiving card program;

　　2. There is a problem with the computer graphics card or video source - replace the graphics card or video source;

　　3. The DVI cable of the sending card is loose - reinsert and secure the DVI cable;

　　Glass curtain wall LED display screen 0221

　　Phenomenon 3: The entire screen is not connected together

　　The possible causes and solutions for this phenomenon are as follows:

　　1. Did not send the touchscreen program - resend the touchscreen program;

　　2. The program signal wiring is inconsistent with the actual wiring - check the signal wiring on site again and reset the screen connection program;

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