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• Unplug the power cord of the monitor from the AC outlet to turn off and reset the monitor.
• Make sure the power cord is properly connected to the monitor and the wall, and make sure the monitor’s power switch is
on.
• If no video is present on the screen, turn the ⏻ key off for 3 seconds or more and on again.
• Make sure the computer is not in a power-saving mode by touching the connected keyboard or the connected mouse.
• When using DisplayPort, some display cards do not output video signal under low resolution modes when the monitor is
turned OFF/ON or disconnected/connected from the AC power cord.
• Check to see if [Audio Mute] is activated.
• Check to see if [Audio Volume] is set to a minimum.
• Check to see if the computer supports an audio signal through DisplayPort or HDMI.
• Check the input signal. It outputs the audio signal associated with the input signal. When the input signal is DisplayPort or
HDMI, this monitor cannot output Analog audio signal.
• Check to see if the headphones cable is properly connected when using headphones.
• Check to see if headphones are connected if not using headphones.
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