30Troubleshooting - ImageWhat you see... Suggested ActionsScreen is black and Ensure that the power cord is firmly connected and the LCDpower indicator is off TV is on.“Check Signal Cable” message Ensure that the signal cable is firmly connected to the PC orvideo sources. Ensure that the PC or video sources are turned on.“Sync. Out of Range” message Check the maximum resolution and the frequency of the videoadapter. Compare these values with the data in the Display ModesTiming Chart.The image is too light or too dark Adjust the Brightness and Contrast.Horizontal bars appear to flicker, Adjust the Fine function.jitter or shimmer on the imageVertical bars appear to flicker, Adjust the Coarse function and then adjust the Fine function.jitter or shimmer on the image.Screen is black and power indicator The LCD TV/Monitor is using its power management system.light is steady amber or blinks Move the computer’s mouse or press a key on the keyboard.every 0.5 or 1 secondsImage is not stable and may appear Check that the display resolution and frequency from your PCto vibrate or video board is an available mode for your LCD TV/Monitor.On your computer check: Control Panel, Display, Settings. If the setting is not correct, use your computer utility programto change the display settings.➣ Your LCD TV/Monitor supports multiscan displayfunctions within the following frequency domain:Horizontal frequency: 30~85kHzVertical frequency: 55~85HzImage is not centered on the screen. Adjust the horizontal and vertical position.You need the monitor driver software Download the driver from WWW pages:http://www.samsung-monitor.comhttp://www.samsungmonitor.com (USA Only)If you have a problem setting up or using your LCD TV/Monitor, you may be able to solve it yourself. Before contactingcustomer service, try the suggested actions that are appropriate to your problem.