ViewSonic N1300 User Guide - Page 22

Troubleshooting No power Make sure power button (or switch) is ON. Make sure A/C power cord is securely connected to the LCD display. Plug another electrical device (like a radio) into the power outlet to verify that the outlet is supplying proper voltage. Power is ON but no screen image Make sure the video cable supplied with the LCD display is tightly secured to the video output port on the back of the Video source. If the other end of the video cable was not attached permanently to the LCD display, tightly secure it to the LCD display. Adjust brightness and contrast. Check Source settings. Wrong or abnormal colors If any colors (red, green, or blue) are missing, check the video cable to make sure it is securely connected. Loose or broken pins in the cable connector could cause an improper connection. Connect the LCD display to another Video source. Control buttons do not work Press only one button at a time. Snow appears on screen Check your antenna connection. Check TV/CATV selection. No Sound Check your audio connection in accordance with Video source. Press Mute again, so that Mute disappears from the screen. Check you MTS settings, your TV MTS may be set to SAP. Press the Volume + key on your remote controller. Remote control doesn't work Make sure batteries been inserted correctly. Batteries could be weak. ViewSonic N1300 21