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FAQ

LED display black screen

Phenomenon: LED display power on and have a black screen, LED video processor shows no signal input.

Solution:
1). If it is a computer signal input , please check whether if the computer has opened the copy mode. Windows7, Windows8, Windows10 operating system directly press the WINDOWS logo key & “P” on the keyboard at same time to open the copy mode;
 
2). Some of VOD machines, TV set-top boxes can not automatically switch the output signal source, you need to set the output interface of these devices for change the output interface .
 
3). Check whether if the signal line between the output device and the LED video processor input interface connect correctly, or the cable quality is not good, then change the new signal line try again;

 

 

 

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