① Please check whether the video signal is reliable.
②Make sure whether the output signal and the display status are coincident, such as AV signal CCD, need to turn to the AV status.
① Please check whether the input signal frequency is within the scanning frequency range of display.
② Make sure whether the output signal and the display status are coincident, such as AV signal CCD, need to turn to the AV status.
① Please check the plug of signal wire, pull to insert again.
② Replace of a new input signal wire.
③ Check the display resolution and refresh rate, make sure conform to the current host.
①Please check the plug of signal wire, pull to insert again.
②Replace of a new input signal wire.
③ Check whether there are some peripheral equipments of electrostatic, strong electromagnetic interference.