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No Sound
• Make sure the speaker cable is proper connected.
• Check to see if mute is activated.
• Check the VOLUME in the OSD menu.
• Check selected OSD’s Tools to “SOUND INPUT”, when DisplayPort is in use.
Brightness variations over time
• Change AUTO BRIGHTNESS to OFF and adjust brightness.
NOTE: When AUTO BRIGHTNESS is set to ON, the monitor automatically adjusts brightness based on the environment.
When the brightness of surrounding environment changes, the monitor will also change.
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