Samsung S27D590CS User Manual - Page 77
Screen issue
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9 Troubleshooting Guide Screen issue Issues Solutions The power LED is off. The screen will not switch on. The message Check Signal Cable appears. Check that the power cable is connected properly. (Refer to "2.2 Connecting and Using a PC") Check that the cable is properly connected to the product. (Refer to "2.2 Connecting and Using a PC") Check that the device connected to the product is powered on. Not Optimum Mode is displayed. The images on the screen look distorted. This message appears when the signal from the graphics card exceeds the maximum resolution or frequency for the product. Change the maximum resolution and frequency to suit the product performance, referring to Standard Signal Mode Table (page 83). Check the cable connection to the product (Refer to "2.2 Connecting and Using a PC") The screen is not clear. The screen is blurry. The screen appears unstable and shaky. There are shadows or ghost images left on the screen. The screen is too bright. The screen is too dark. Adjust Coarse (page 49) and Fine (page 50). Remove any accessories (video extension cable, etc.) and try again. Set the resolution and frequency to the recommended level. Check that the resolution and frequency for the PC are within the range of resolution and frequency compatible with the product. Next, if required, change the settings, referring to Standard Signal Mode Table (page 83) in this manual and the INFORMATION menu on the product. Adjust Brightness (page 37) and Contrast (page 38). Screen color is inconsistent. Change the COLOR settings. (Refer to " Configuring Tint") The colors on the screen have a shadow and are Change the COLOR settings. distorted. (Refer to " Configuring Tint") White does not really look white. Change the COLOR settings. (Refer to " Configuring Tint") 77 9 Troubleshooting Guide