109Troubleshooting Guide88 Troubleshooting GuideThe screen is not clear. The screen is blurry. Adjust Coarse and Fine.Remove any accessories (video extensioncable, etc) and try again.Set the resolution and frequency to therecommended level.The screen appears unstable and shaky. Check that the resolution and frequency of thePC and graphics card are set within a rangecompatible with the product. Then, change thescreen settings if required by referring to theAdditional Information on the product menuand the Standard Signal Mode Table.There are shadows or ghost images left on thescreen.The screen is too bright. The screen is toodark.Adjust Brightness and Contrast.Screen colour is inconsistent. Go to Picture and adjust the Colour Temp.settings.The colours on the screen have a shadow andare distorted.Go to Picture and adjust the Colour Temp.settings.White does not really look white. Go to Picture and adjust the Colour Temp.settings.There is no image on the screen and the powerLED blinks every 0.5 to 1 second.The product is in power-saving mode.Press any key on the keyboard or move themouse to return to the previous screen.Sound issueThere is no sound. Check the connection of the audio cable oradjust the volume("2.2 Connecting and Using a PC")Check the volume.The volume is too low. Adjust the volume.If the volume is still low after turning it up to themaximum level, adjust the volume on your PCsound card or software programme.Screen issue