How to solve the black screen failure? Full-color LED display http://www.visslighting.com/en-us/product/24.html does not display a variety of reasons, here is a summary.
If installed on the new screen is powered on flowers, it is probably not set the scan control card or cable is not plugged into the (inspection from the control card to the first board of row line), 5V power supply wrong will have this problem.
If suddenly found the use for some time after this phenomenon, that in addition to the control card failure, the most likely is the water board burned chip or power.
DVI interface, then general resolution LINN card is 1024 * 768. Cause the LED display black-screen reasons, it may also be a video problem or driver problem. Try to display behind unplug the network cable receiver card received by the debug button on the card, look at the screen body scan is normal.
LED display the video can not be displayed

Solution: Check the electronic display power supply is normal if there is strong 220V AC input
The electronic display section Screen display is not normal, such as black screen

Solution: check whether the abnormal screen body power source is working; the signal transmission line failure; Screen single module failure.
1, the detection output interface to the signal output of the IC is the connected or short circuit.

2, the detection output of the latch clock signal is normal.

3, chassis cooling is not good, cause the temperature rise caused by the graphics card.

4, reinstall the system, video card or monitor does not support the high resolution due.
Solution:

(1) Restart your computer, press the F8 key continuously, the advanced boot menu, choose to enter "safe mode" Enter the landing system, then enter the display settings in the windows, select 16-color status, click the "Apply" button and click "OK "button.

(2) Restart the computer in normal mode windows to enter the Device Manager, remove the graphics driver, restart your computer. These are indoor LED display presentation black-screen causes and solutions.