beautypg.com

BenQ RM8602K 86" Class 4K UHD Educational Touchscreen LED Display User Manual

Page 96

background image

91

Appendix 3: Basic Troubleshooting Checklists for

Daisy Chain:

HDMI

D-Sub

DVI

IR

RS232

Display

Port

No daisy

chain

Question

Yes

No

Not

certain

Are the affected units connected to a faceplate?

Are the cables passing though any wall or floor trunking?

Is the original cable

provided by BenQ being used?

Are the affected units connected through splitter, matrix
or other video wall controller?

Please specify your computer operating system and
version.

What is the main device (video source) connected to the
display? Please specify the brand and the model name.

Desktop

Laptop

Other

What is the signal cable (HDMI, DVI, VGA, etc.) length,
including trunking in wall?

_______ meters.

Please provide the installer's contact name & phone
number.

Additional information

Provide photo/video link