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Do you know the fault diagnosis method of Cheapest led display from China?

(Summary description)Check the basic connection of the system, such as the DVI cable, whether the network cable socket is correct, the connection between the main control card and the computer PCI socket, the serial cable connection, etc. The connection method has already been illustrated, please refer to it carefully.

Do you know the fault diagnosis method of Cheapest led display from China?

(Summary description)Check the basic connection of the system, such as the DVI cable, whether the network cable socket is correct, the connection between the main control card and the computer PCI socket, the serial cable connection, etc. The connection method has already been illustrated, please refer to it carefully.

Information

During the use of Cheapest led display from China equipment, it is inevitable that sometimes it will encounter malfunctions. Today, we will introduce how to distinguish and judge the fault diagnosis method of Cheapest led display from China.
1. Check whether the graphics card setting part is set up properly. The setting method is in the CD-ROM electronic file as needed, please check it.
2. Check the basic connections of the system, such as whether the DVI cable, the network cable socket is correct, the connection between the main control card and the computer PCI socket, the serial cable connection, etc. The connection method has been illustrated in the figure, please refer to it carefully.
3. Check whether the computer and LED power supply system meet the usage requirements. When the power supply of the LED screen is insufficient, when the display is close to white (high power consumption), it will cause the screen to flicker. Prepare a suitable power supply according to the power demand of the cabinet.
4. Check whether the green light of the Cheapest led display from China sending card flickers regularly. If flickering, go to step 6. If it doesn’t flicker, restart. Check whether the green light flickers regularly before entering win98/2k/xp. If flickering, go to the second step. Step operation, please check whether the DVI cable connection is well connected. If the problem is not solved because one of the sending card, graphics card and DV cable I is faulty, please replace it separately and repeat step 3.
5. Please follow the software instructions to set or reinstall and then set again, until the green light of the sending card flashes, otherwise repeat step 3.
6. Check whether the Green light (data light) of the Cheapest led display from China receiving card flashes synchronously with the green light of the sending card. If it flashes, go to step 8 and check whether the red light (power supply) is on. Whether the light (power protection) is on, if it is not on, check whether the power supply is connected reversely or if the power supply has no output. If it is on, check whether the power supply voltage is 5V. If it is turned off, remove the adapter card and the cable and try again. If the problem is not solved, If the receiving card is faulty, replace the receiving card and repeat step 6.


7. Check whether the network cable is well connected or too long (a standard Category 5 network cable is required, and the longest distance of the network cable without a repeater is less than 100 meters), and check whether the network cable is made according to the standard (please refer to the system installation and settings), If the problem is not resolved, the receiving card is faulty, replace the receiving card and repeat step 6.
8. Check whether the Cheapest led display from China power light is on, if not, go to step 7 to check whether the adapter card interface definition line matches the unit board. Note: After most of the screens are connected, there may be no screen or blurry screen in some cabinets. Because the RJ45 interface of the network cable is not connected firmly, or the power supply of the receiving card is not connected, the signal is not transmitted, so please plug it in again. The network cable (or exchange), or plug in the power supply of the receiving card (pay attention to the direction) can solve the problem.

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