BenQ EX2780Q User Manual - Page 54

Power LED indicator, OSD controls, OSD messages, Audio, Out of Range, System, LED Indicator

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Faint shadow from the static image displayed is visible on the screen. • Activate the power management function to let your computer and monitor go into a low power "sleep" mode when not actively in use. • Use a screensaver to prevent the occurrence of image retention. Power LED indicator 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 Out of Range on the screen, this 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 "Preset display modes" section from the link "Adjusting the Screen Resolution". • 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. Turn on the LED indicator from System > LED Indicator. OSD controls The OSD controls are inaccessible. To unlock the OSD controls when it is preset to be locked, press and hold any key for 5 seconds. OSD messages A message Out of Range on the screen during computer boot up process. If there is a message Out of Range on the screen during computer boot up process, this means computer compatibility caused by operating system or graphic card. The system will adjust the refresh rate automatically. Just wait until the operating system is launched. Audio No sound can be heard from the built-in speakers. • Check whether the desired cable to input audio signals is properly connected. See Connect the audio cable. on page 18 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.) 54 Troubleshooting

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54
Troubleshooting
Power LED indicator
OSD controls
OSD messages
Audio
Faint shadow from the static image displayed is visible on the screen.
• Activate the power management function to let your computer and monitor go into a low
power "sleep" mode when not actively in use.
• Use a screensaver to prevent the occurrence of image retention.
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
Out of Range
on the screen, this
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
"Preset display modes"
section
from the link
"Adjusting the Screen Resolution"
.
• 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. Turn on the LED indicator from
System
>
LED Indicator
.
The OSD controls are inaccessible.
To unlock the OSD controls when it is preset to be locked, press and hold any key for 5
seconds.
A message
Out of Range
on the screen during computer boot up process.
If there is a message
Out of Range
on the screen during computer boot up process, this
means computer compatibility caused by operating system or graphic card. The system will
adjust the refresh rate automatically. Just wait until the operating system is launched.
No sound can be heard from the built-in speakers.
• Check whether the desired cable to input audio signals is properly connected. See
Connect
the audio cable. on page 18
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.)