BenQ RM8602K 86" Class 4K UHD Educational Touchscreen LED Display - Manual (Page 99)

94 Appendix 3: Basic Troubleshooting Checklists for Video
Pictures
Color Management
Please use the suggested resolution (1920x1080).
Please try with another input source (laptops, desktops…etc).
Check item
Check if
completed
Does the
problem still
exist?
Yes No
Check item
Check if
completed
Does the
problem still
exist?
Yes No
Use the Windows desktop with full screen picture (could not be
black screen), and select the auto-adjustment again. Check if the
picture could show correctly after auto adjustment.
If using VGA signal, please adjust the screen under OSD setting,
and check if the picture could be adjusted as normal picture.
Please check the resolution setting of graphic card, and see if the
setting is extended to full screen with 1080p output.
Check if the Picture Settings in the OSD menu are the same.
If the problem could not be solved by the above actions, please
record the resolution setting/graphic card information/driver
version/detected resolution by display and take a picture for
abnormal picture.
Check item
Check if
completed
Does the
problem still
exist?
Yes No
Please confirm the input source (VGA or HDMI or DVI or
Display Port).
The value should be default for R/G/B Gain and Offset.
If the color does not match after installing the video wall, please
adjust the R/G/B value manually. If it does improve, please check
the quality of the cables.
Please use X-Rite Sensor to measure the center of the calibration
unit and confirm if the abnormal unit is in spec or not (Color
temperature deviation over +/- 0.5% & brightness over 15 nits).