Dell MR2217 User Guide - Page 62
Auto Adjust, Phase, Pixel Clock, Preset Modes, Color, Custom Color, Input Color Format
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Brightness Problems Picture too dim or too bright • Reset the monitor to factory settings. • Perform Auto Adjust via OSD. • Adjust brightness & contrast controls via OSD. Geometric Distortion Screen not centered correctly • Reset the monitor to factory settings. • Perform Auto Adjust via OSD. • Adjust horizontal & vertical controls via OSD. NOTE: When using HDMI/DisplayPort input, the positioning adjustments are not available. Horizontal/ Vertical Lines Screen has one or more lines • Reset the monitor to factory settings. • Perform Auto Adjust via OSD. • Adjust the Phase and Pixel Clock controls via OSD. • Perform monitor self-test feature check and determine if these lines are also in self-test mode. • Check for bent or broken pins in the video cable connector. • Run the built-in diagnostics. NOTE: When using HDMI/DisplayPort input, the Pixel Clock and Phase adjustments are not available. Synchronization Screen is Problems scrambled or appears torn • Reset the monitor to factory settings. • Perform Auto Adjust via OSD. • Adjust the Phase and Pixel Clock controls via OSD. • Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode. • Check for bent or broken pins in the video cable connector. • Restart the computer in the safe mode. Safety Related Visible signs of • Do not perform any troubleshooting steps. Issues smoke or sparks • Contact Dell immediately. Intermittent Problems Monitor malfunctions on & off • Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. • Reset the monitor to factory settings. • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. Missing Color Picture missing color • Perform monitor self-test feature check. • Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. • Check for bent or broken pins in the video cable connector. Wrong Color Picture color not good • Change the settings of the Preset Modes in the Color menu OSD depending on the application. • Adjust R/G/B value under Custom Color in Color menu OSD. • Change the Input Color Format to PC RGB or YPbPr in the Color menu OSD. • Run the built-in diagnostics. 62 | Troubleshooting