86Screen issueThe screen appears unstable and shaky. Check that the resolution and frequency of the PC and graphics card are set within a rangecompatible with the product. Then, change the screen settings if required by referring to theAdditional Information on the product menu and the Standard Signal Mode Table.There are shadows or ghost images left on the screen.The screen is too bright. The screen is too dark. Adjust Brightness and Contrast.Screen color is inconsistent. Go to Picture and adjust the Color Space settings.White does not really look white. Go to Picture and adjust the White Balance settings.There is no image on the screen and the power LED blinksevery 0.5 to 1 second.The product is in power-saving mode.Press any key on the keyboard or move the mouse to return to the previous screen.The product will turn off automatically. Go to System and make sure Sleep Timer is set to Off.If a PC is connected to the product, check the power status of the PC.Make sure the power cable is connected properly to the product and power outlet.If the signal from a connected device is not detected, the product automatically turns offafter 10 to 15 minutes.Picture quality of the product is different from the dealershop where it was purchased.Use an HDMI cable to obtain high-definition (HD) picture quality.The screen display does not look normal. Encoded video content may cause the display to appear corrupted in scenes featuring fastmoving objects such as in a sports event or action video.Low signal level or low picture quality may cause the display to appear corrupted. This doesnot mean the product is defective.A cell phone within a distance of one-meter radius may cause static on analog and digitalproducts.