BenQ BL2711U User Manual page 50

The LED indicator is white or orange.
• If the LED lights up in solid white, the monitor is powered on.
• If the LED is illuminated in white and there is a message
means you are using a display mode that this monitor does not support, please change the
setting to one of the supported mode. Please read the
from the link
• If the message
connected. And press any of the control keys to bring up the input menu to select an
appropriate input source.
• If the LED is illuminated in orange, the power management mode is active. Press any button
on the computer keyboard or move the mouse. If that does not help, check the signal cable
connectors. If any pin is bent or broken off, please contact your dealer to get necessary
support.
• If the LED is off, check the power supply mains socket, the external power supply and the
mains switch.
The image is distorted, flashes or flickers.
Read the instructions on the link
select the correct resolution, refresh rate and make adjustments based on these instructions.
You are running the monitor at its native resolution, but the image is still distorted.
Images from different input sources may appear distorted or stretched on the monitor running
at its native resolution. To have the optimal display performance of each type of input sources,
you can use the
Display Mode on page 39
The image is displaced in one direction.
Read the instructions on the link
select the correct resolution, refresh rate and make adjustments based on these instructions.
The OSD controls are inaccessible.
To unlock the OSD controls when it is preset to be locked, press and hold any key for 10
seconds.
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.
50 Troubleshooting
"Adjusting the Screen Resolution"
No Cable Connected
"Adjusting the Screen Resolution"
function to set a proper aspect ratio for the input sources. See
Display Mode
for details.
"Adjusting the Screen Resolution"
Out of Range
"Preset display modes"
.
is displayed, make sure the video cable is properly
on the screen, this
section
on the CD, and then
on the CD, and then