Dell S2240T User Manual
Also see for S2240T: User guide
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Contents
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Troubleshooting | 47Touch ProblemSafety RelatedIssuesVisible signs ofsmoke or sparks• Do not perform any troubleshooting steps.• Contact Dell immediately.IntermittentProblemsMonitormalfunctions on& off• Ensure that the video cable connecting the monitor to thecomputer is connected properly and is secure.• Reset the monitor to Factory Settings.• Perform monitor self-test feature check to determine if theintermittent problem occurs in self-test mode.Missing Color Picture missingcolor• Perform monitor self-test feature check.• Ensure that the video cable connecting the monitor to thecomputer is connected properly and is secure.• Check for bent or broken pins in the video cable connector.Wrong Color Picture color notgood• Change the Color Setting Mode in the Color Settings OSDto Graphics or Video depending on the application.• Try different Color Preset Settings in Color Settings OSD.Adjust R/G/B value in Color Settings OSD if the ColorManagement is turned off.• Change the Input Color Format to PC RGB or YPbPr in theAdvance Setting OSD.• Run the built-in diagnostics.Image retentionfrom a staticimage left onthe monitor fora long period oftimeFaint shadowfrom the staticimage displayedappears on thescreen• Use the Power Management feature to turn off the monitorat all times when not in use (for more information, seePower Management Modes).• Alternatively, use a dynamically changing screensaver.SpecificSymptomsWhat YouExperiencePossible SolutionsTouch reporterrorTouch functionmiss alignment orno touchfunction• Make sure power cord comes with ground pin.• Unplug and replug the DC cable from power adapter toallow touch module auto recalibration.• Make sure to use Dell provide USB cable, connect withcomputer.• Make sure computer support USB 2.0 cable.• If the device cannot be detected by system, power off/onthe monitor or plug out/in the USB cable.Touch screenno response insaving modeCould not wakeup monitor andcomputer bytouching insaving mode• Access to Device Manager and choose HID Interface Deviceunder Human Device.• Select HID- compliant device Properties• Allow the device to wake the computer. |
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