VIEWSONIC N2000 - Manual (Page 23)

ViewSonic N2000 21
Troubleshooting
No power
• Make sure AC power button is ON, DC power button is ON (Blue LED)
• Make sure AC power cord is securely connected to the AC socket
• Plug another electrical device (like a radio) to the power outlet to verify that the outlet is
supplying the proper voltage
Power is ON but no screen image
• Make sure the video cable supplied with the LCD TV display is tightly secured to the
video output port on the back of the computer. If the other end of the video cable is not
attached permanently to the LCD TV display, tightly secure it to the LCD TV display
• Adjust brightness and contrast
• If you are using a Macintosh older than G3, you need a Macintosh adapter
• 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 TV display to another computer
• If you have an older graphics card, contact ViewSonic® for a non-DDC adapter
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
• Press MUTE on the remote control again, so that MUTE disappears from the screen
• Check your audio settings, your TV audio may be set to SAP or minimum
• Press the Volume + (Up) key on your remote control
Make sure that headphones are not connected
Remote Control does not work
• Make sure batteries are inserted correctly
• Batteries could be weak