BenQ AQCOLOR DesignVue PD Series User Manual page 55

No sound can be heard from the connected external speakers.
• Remove your headphone (if the headphone is connected to the monitor).
• Check whether the headphone jack is properly connected.
• If the external speakers are USB-powered, check whether the USB connection is OK.
• Increase the volume (volume may be muted or too low) on the external speakers.
Sensors
The light sensor of the monitor does not work well.
The light sensor is located at the front bottom of the monitor. Please check:
• If you have removed the sensor protection sticker.
• If the Bright Intelligence function has been turned on. Check
.
Intelligence
• If there are any obstacles in front of the sensor that keep the
sensor from detecting the light properly.
• If there are any objects or clothing in bright colors in front of
the sensor. Bright colors (especially white and fluorescent
colors) reflect light and the sensor cannot detect the main
light sources.
MST connection
The MST function does not work.
• Make sure is selected under
ON
• Make sure the graphic card on your computer supports DP 1.4 for MST.
• The compatibility of each computer varies by hardware and/or software. You may need to go
through all the cables, specifications and settings to ensure that your system supports MST. If
your computer is a Mac, try with a Windows system. MST is available on a Mac OS via
Thunderbolt connection only.
KVM Switch
No response after selecting
Check the cable connections and menu settings in the following order.
• Check if an appropriate cable has been connected to the monitor and the second video
source properly. See
• Check if the input source has been selected to the second video input from
.
Video Input
System
>
KVM Switch
Connect the PC video cable. on page 14
Ergonomics
> .
MST
.
USB Upstream
>
Bright
for more information.
KVM Switch
Troubleshooting
>
55