Ⅵ
. Common Troubleshooting and Parts Replacement
6.1 Common Troubleshooting
6.1.1 Partial black screen on boot
①
Check if the network cable inside the cabinet is in poor
contact.
②
Check if the power cord inside the cabinet is in poor
contact.
6.1.2 Inoperative wireless screen share transmitter
①
Check if the wireless screen share transmitter is plugged in.
②
Check if the wireless screen share transmitter is paired.
Pairing needs to insert the wireless screen share transmitter into
the USB port of the display, and then waiting for the prompt to
indicate that the pairing is successful.
Check if the driver software is installed on the computer. If the
screen is not automatically installed after being inserted into the
USB port of the computer, you need to manually enter My
Computer, and find the corresponding drive letter on the device
driver, and double-click to install.
6.1.3 Black indicator
①
Check if the power supply is normal.
②
Check if the display on/off switch is turned on.
6.1.4 No image display after connecting to the computer with
HDMI cable
①
Check if it is currently in the HDMI channel;
②
Check if the HDMI cable on the whole unit and the external
computer is off or in poor connection;
③
Check if the computer graphics card is set to copy mode;
④
Check if the graphics card output is normal.
6.1.5 Display malfunction after module or bridge board
replacement
Power off and restart the display, enabling the bridge board
re-reads the module data.
6.1.6 White lines appear in the display area
After replacing the LED module or bridge board in the fault
display area, power off and restart the display.
6.1.7 Disorganized picture on the whole screen or part of the
screen
①
Check the connection order of the display send card port;
②
Check the display signal line connection sequence.
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