When you find that the edge brightness of the LED module is different from that of the adjacent modules, the following procedure below can be followed in order to resolve the problem.
Step 1: Use the USB B-to-A cable and HDMI cable to connect the monitor to the computer, and switch the monitor's input source to HDMI.
Step 2: Modify the computer settings to extend the computer screen onto the LED display.
Step 3: Open the AutoLED program, select the "Hardware Information" tab, and confirm that the computer has been connected to the LED display.
Step 4: Open the flash drive In the MoonCell-Seam program, enter the following values in the fields. Then go to the computer monitor settings, select Display 1, and confirm that the resolution is 1920 and 1080.
Step 5: Enter the respective size values in MoonCell-Seam according to the product specifications, then click the "display" button.
Step 6: Move the mouse to the respective area(s) requiring adjustment, click, then move the scroll wheel to adjust the brightness (down to dim, up to brighten). After adjustment, right click and select "exit" to leave the screen.
Step 7: Check "enable" and click "save file" to save the settings in the MoonCell-Seam software.
Step 8: After saving, click "send to hw" to send the settings to the display. Finally, click "save in hw" to save the settings to the display to complete. Please be patient, as this step may take several minutes to complete data transmission.
Step 9: Turn on the LED display again to confirm that the settings were successfully saved and that the issue is resolved.
Watch for Instructional Video: "How to do Seam Line Brightness Adjustment | ViewSonic All-in-One Direct View LED Display"