BenQ XL Series User Manual page 14

You should position the monitor and angle the screen to
minimize unwanted reflections from other light sources.
2. Connect the PC video cable
Available input and output jacks may vary depending on the purchased model. For models with
G-SYNC module, refer to
input source and the related menus.
Do not use both DVI-D cable and D-Sub cable on the same PC. The only case in which both cables can be used is
if they are connected to two different PCs with appropriate video systems.
To Connect the D-Sub Cable
Connect the plug of the D-Sub cable (at the end
without the ferrite filter) to the monitor video
socket. Connect the other end of the cable (at the
end with the ferrite filter) to the computer video
socket.
Tighten all finger screws to prevent the plugs from
accidently falling out during use.
To Connect the DVI-D Dual Link Cable
Connect the plug of the DVI-D Dual Link cable to
the monitor video socket. Connect the other end of
the cable (at the end with the ferrite filter) to the
computer video socket.
Tighten all finger screws to prevent the plugs from
accidently falling out during use.
14 How to assemble your monitor hardware
Modes and the required input source on page 40 for the available
Either
Or