BenQ M2700HD User Manual - Page 39

Display, Mode on To Input, Audio Signals - led

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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 on the link "Adjusting the Screen Resolution" on the CD, and then 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" function to set a proper aspect ratio for the input sources. See Display Mode on page 30 for details. The image is displaced in one direction: Read the instructions on the link "Adjusting the Screen Resolution" on the CD, and then select the correct 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 or keys to select "NO" in the "OSD Lock" submenu from the "OSD Settings" menu (under SYSTEM), and all OSD controls will be accessible. No sound can be heard from the built-in speakers: • Check whether the desired cable to input audio signals is properly connected. See To Input Audio Signals on page 12 for details. • Increase the volume (volume may be muted or too low). • Remove your headphone and/or external speakers. (If they are connected to the monitor, the built-in speakers are automatically muted.) No sound can be heard from the connected external speakers: • Remove your headphone (if the headphone is connected to the monitor). • Check whether OPTICAL or Line Out (depending on the audio transmission method of the connected speakers) 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. Sound cannot be muted: • Restart your computer. • Update the graphics and/or audio driver. Troubleshooting 39

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39
Troubleshooting
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 on the link "
Adjusting the Screen Resolution
" on the CD, and then 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" function to set a proper aspect ratio for the input sources. See
Display
Mode on page 30
for details.
The image is displaced in one direction:
Read the instructions on the link "
Adjusting the Screen Resolution
" on the CD, and then select the
correct 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
or
keys to select “NO” in the “OSD Lock” submenu
from the “OSD Settings” menu (under SYSTEM), and all OSD controls will be accessible.
No sound can be heard from the built-in speakers:
•
Check whether the desired cable to input audio signals is properly connected. See
To Input
Audio Signals on page 12
for details.
•
Increase the volume (volume may be muted or too low).
•
Remove your headphone and/or external speakers. (If they are connected to the monitor, the
built-in speakers are automatically muted.)
No sound can be heard from the connected external speakers:
•
Remove your headphone (if the headphone is connected to the monitor).
•
Check whether OPTICAL or Line Out (depending on the audio transmission method of the
connected speakers) 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.
Sound cannot be muted:
•
Restart your computer.
•
Update the graphics and/or audio driver.