source:Industry Trends release time:2023-10-13 Hits: Popular:led screen wholesaler
01. The display screen is not working, and the green light on the sending card is flashing (made into a retractable type)
(1) Fault cause: The screen body is not powered; The network cable is not connected properly; The receiving card has no power supply or the power supply voltage is too low; Bad sending card; Connection or malfunction of signal transmission intermediate equipment (such as functional cards, fiber optic transceiver boxes);
(2) Troubleshooting method: Check and confirm that the screen power supply is normal; Check and reconnect the network cable; Ensure that the DC output power supply of the power supply is between 5-5.2V; Replace the sending card; Check the connection or replace the functional card (fiber optic transceiver box);
02. The display screen does not work and the sending card's green light does not flash
(1) Fault cause: DVI or HDMI cable not connected properly; The copy or expansion mode in the graphics card control panel is not set; The software has chosen to turn off the power supply for the large screen; The sending card is not properly inserted or there is a problem with the sending card;
(2) Troubleshooting method: Check the DVI cable connector; Reset the replication mode; The software selects to turn on the large screen power supply; Reinsert the sending card or replace the sending card;
03. When starting, prompt "Large screen system not found"
(1) Fault reason: The serial cable or USB cable is not connected to the sending card; The computer's COM or USB port is broken; The serial or USB cable is damaged; Bad sending card; No USB driver installed
(2) Troubleshooting method: Confirm and connect the serial port cable; Replace the computer; Replace the serial port cable; Replace the sending card; Install a new version of software or separately install a USB driver;
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