Summary of solutions to LED display failure problems

Fault problem one: the whole box is not displayed

Reasons for failure: 220V power supply line is not connected correctly; network cable transmission is problematic; receiving card is damaged; HUB board is inserted misplaced.

Troubleshooting method: check the power supply line; confirm to replace the network cable; replace the receiving card; reinsert the HUB.

Fault problem two: the whole screen spends much time, and the picture changes

The cause of the failure: the driver is not loaded correctly; the network cable between the computer and the screen is too long, or the quality is not good; the sending card is broken.

Troubleshooting methods: re-operate to load the receiving card file; reduce the length of the network cable or replace; replace the sending card.

Fault problem three: the entire display screen displays the same content on each display unit

The cause of the failure: We did not send the display connection file.

Troubleshooting method: reset the sending screen file, and insert the network cable connected to the computer into the sending card’s output port near the indicator when sending.

Fault problem four: the display brightness is very low, and the display image is blurred

The cause of the failure: the sending card program is wrong; the function card setting is wrong.

Troubleshooting method: restore and save the default settings of the sending card; set the minimum brightness value of the display monitor to be above 80.

Fault problem five: the whole screen is shaking or ghosting

The cause of the failure: check the communication line between the computer and the large screen; check the DVI cable between the multimedia card and the sending card; the sending card is broken.

Troubleshooting method: re-plug or replace the communication line; reinforce the DVI line; replace the sending card.