Dell P2418D Users Guide - Page 53
Common problems, Common, Symptoms, Possible Solutions
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Common problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common Symptoms Possible Solutions No video/power LED off ∞∞ Ensure that the video cable connecting the monitor and the computer is properly connected and secure. ∞∞ Verify that the power outlet is functioning properly using any other electrical equipment. ∞∞ Ensure that the correct input source is selected via the Input Source menu. No video/power LED on ∞∞ Increase brightness and contrast controls using the OSD. ∞∞ Perform monitor self-test feature check. ∞∞ Check for bent or broken pins in the video cable connector. ∞∞ Run the built-in diagnostics. ∞∞ Ensure that the correct input source is selected via the Input Source menu. Poor focus Shaky/jittery video Missing pixels ∞∞ Eliminate video extension cables. ∞∞ Reset the monitor to Factory Settings (Factory Reset). ∞∞ Change the video resolution to the correct aspect ratio. ∞∞ Reset the monitor to Factory Settings (Factory Reset). ∞∞ Check environmental factors. ∞∞ Relocate the monitor and test in another room. ∞∞ Cycle power on-off. ∞∞ Pixel that is permanently Off is a natural defect that can occur in LCD technology. ∞∞ For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at www.dell.com/support/monitors. Stuck-on pixels ∞∞ Cycle power on-off. ∞∞ Pixel that is permanently off is a natural defect that can occur in LCD technology. ∞∞ For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at www.dell.com/support/monitors. Brightness problems Geometric distortion Horizontal/vertical lines ∞∞ Reset the monitor to Factory Settings (Factory Reset). ∞∞ Adjust brightness & contrast controls via OSD. ∞∞ Reset the monitor to Factory Settings (Factory Reset). ∞∞ Adjust horizontal & vertical controls via OSD. ∞∞ Reset the monitor to Factory Settings (Factory Reset). ∞∞ 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. Troubleshooting │ 53
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