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Is the prompt on the display illuminated in orange?
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.
Is the prompt on the display not illuminated at all?
Check the power supply mains socket, the external power supply and the mains switch.
The image is distorted, flashes or flickers:
Read the instructions in
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" function to set a proper aspect ratio for the input sources. See
Mode on page 27
The image is displaced in one direction:
Read the instructions
resolution, refresh rate and make adjustments based on these instructions.
The OSD controls are inaccessible:
• To unlock the OSD controls when the OSD is preset to be locked, press and hold the "MENU"
key for 15 seconds to enter the "OSD Lock" option and make changes.
• Alternatively, you may use the
from the "OSD Settings" menu (under SYSTEM), and all OSD controls will be accessible.
No sound can be heard from the connected external speakers:
• 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.
Sound cannot be muted:
• Restart your computer.
• Update the graphics and/or audio driver.
Need more help?
If your problems remain after checking this manual, please contact your place of purchase or
e-mail us at: Support@BenQ.com.
34
Troubleshooting
Adjusting the screen resolution on page
for details.
Adjusting the screen resolution on page
or
keys to select "NO" in the "OSD Lock" submenu
35, and then select the correct
35, and then select the correct
Display
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