Samsung LH067XATSAC, User Manual

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6. Trouble shooting list
6.1 Display screen problem
The whole display screen cannot light up
Check if the display screen is power on.
Check if the connection is broken between Sending box and the display screen, Check if
the sending box is normal
Check if the first cabinet is working normally in the display screen
Check if the brightness setting is 0%
Check if the software setting is correct.
The whole display screen is blinking
Check if the connection is broken between PC and Sending box
Check if the connection is broken between Sending box and the display screen
Check if the sending box is normal
Check if the first cabinet is working normally in the display screen
Check if the software setting is correct