L2870U brings HDR along with Brightness Intelligence Plus Technology (B. I. + Tech. ) to softly soften bright areas even as keeping dark main points crystal clear. EL2870U’s simple hotkey switches between 4 levels of HDR and B. I. + modes to balance maximum contrast and vibrancy and fully benefit from the splendid image performance of HDR even as maintaining your viewing comfort. The picture has a faulty coloration – Go to Picture and Reset Color, after which make a selection YES to reset the colour settings to the factory defaults. If The picture continues to be no longer right kind and the OSD also has faulty coloration, this implies one of the crucial three number one colors is missing within the signal input. Now check the signal cable connectors. If any pin is bent or broken off, please contact your dealer to get essential enhance. The picture is distorted, flashes or flickers- Read the instructions at the link “Adjusting the Screen Resolution” at the CD, after which make a selection the proper resolution, refresh rate and make adjustments in accordance with these instructions. The picture is blurred- read the instructions at the link “Adjusting the Screen Resolution “at the CD, after which make a selection the proper resolution, refresh rate and make adjustments in accordance with these instructions. If a VGA extension cable is used, do away with the extension cable for the test. Is The picture now in center of attention? If no longer, optimize The picture by working throughout the instructions within the “Adjusting the refresh rate” section at the link “Adjusting the Screen Resolution”. It’s normal for blurring to happen as a result of conduction losses in extension cables. You’ll minimize these losses by the usage of an extension cable with better conduction quality or with a built-in booster.