ViewSonic VA2447-MHU User Guide - Page 33

Problem or Issue The screen appears yellow The OSD Menu does not appear on the screen/the OSD controls are inaccessible Control panel keys do not work Some menus aren't selectable in the OSD No audio output The monitor will not adjust USB devices connected to the monitor do not work The external device is connected, but no image appears on the screen Possible Solutions • Make sure the "Blue Light Filter" is Off. • Check whether the OSD Menu is locked. • Turn off the monitor, unplug the power cord, plug it back in, and then turn on the monitor. • Reset the monitor to factory settings. • Press only one key at a time. • Restart the computer. • Adjust the ViewMode or the input source. • Reset the monitor to factory settings. • If using ear-/headphones, ensure the mini stereo jack is connected. • Make sure the volume is not muted, nor set to 0. • Check the Audio Input setting. • Make sure there are no obstructions near or on the monitor, and that there is adequate spacing. • For more information, see "Adjusting the Viewing Angle". • Make sure the USB cable is connected properly. • Try changing to another USB port (if applicable). • Some USB devices require a higher electric current; connect the device directly to the computer. • Make sure the Power is On • Adjust brightness and contrast via the OSD Menu. • Check the connecting cable and make sure it is properly and securely connected. Loose or broken pins in the cable connector could cause an improper connection. 33