BenQ EX2780Q User Manual - Page 55

Sensors, USB-C™ connection models with USB-C™ ports, HDR: Emulated, USB-C, Input

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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. • If USB-C™ connection is established, make sure the appropriate audio output setting on your laptop has been selected. You may look for options similar to "USB headphone." 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 / Bright Intelligence Plus function has been turned on. Check Eye Care > B.I.+ (Bright Intelligence Plus). • 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. HDR There is a message HDR: Emulated showing on the screen. This means the input content is not HDR-compatible and the monitor is in HDR-emulated mode. Refer to Working with HDR technology on page 34 to check if a supported player, content, and the certified cable are used. USB-C™ connection (models with USB-C™ ports) No video or audio output from the laptop with USB-C™ connection. Check the cable connections and menu settings in the following order. • Check if the USB-C™ cable has been connected to the monitor and the laptop properly. See Connect the PC video cable. on page 18 for more information. • Check if the input source has been selected to USB-C from Input. Troubleshooting 55

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55
Troubleshooting
Sensors
HDR
USB-C™ connection (models with USB-C™ ports)
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.
• If USB-C™ connection is established, make sure the appropriate audio output setting on
your laptop has been selected. You may look for options similar to "USB headphone."
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 / Bright Intelligence Plus function has been turned on. Check
Eye
Care
>
B.I.+
(Bright Intelligence Plus).
• 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.
There is a message
HDR: Emulated
showing on the screen.
This means the input content is not HDR-compatible and the monitor is in HDR-emulated
mode. Refer to
Working with HDR technology on page 34
to check if a supported player,
content, and the certified cable are used.
No video or audio output from the laptop with USB-C™ connection.
Check the cable connections and menu settings in the following order.
• Check if the USB-C™ cable has been connected to the monitor and the laptop properly. See
Connect the PC video cable. on page 18
for more information.
• Check if the input source has been selected to
USB-C
from
Input
.