Dell S2240T 21.5 Dell S2240T Users Guide - Page 47
Touch Problem, Factory Settings, Color Setting Mode, Graphics, Video, Color Preset Settings, Color - touch screen monitor
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Safety Related Issues Intermittent Problems Visible signs of smoke or sparks Monitor malfunctions on & off Missing Color Picture missing color Wrong Color Picture color not good Image retention Faint shadow from a static from the static image left on image displayed the monitor for appears on the a long period of screen time • Do not perform any troubleshooting steps. • Contact Dell immediately. • 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. • 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. • Change the Color Setting Mode in the Color Settings OSD to 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 Color Management is turned off. • Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD. • Run the built-in diagnostics. • Use the Power Management feature to turn off the monitor at all times when not in use (for more information, see Power Management Modes). • Alternatively, use a dynamically changing screensaver. Touch Problem Specific Symptoms What You Experience Possible Solutions Touch report error Touch function miss alignment or no touch function • Make sure power cord comes with ground pin. • Unplug and replug the DC cable from power adapter to allow touch module auto recalibration. • Make sure to use Dell provide USB cable, connect with computer. • Make sure computer support USB 2.0 cable. • If the device cannot be detected by system, power off/on the monitor or plug out/in the USB cable. Touch screen no response in saving mode Could not wake up monitor and computer by touching in saving mode • Access to Device Manager and choose HID Interface Device under Human Device. • Select HID- compliant device Properties • Allow the device to wake the computer. Troubleshooting | 47