Make sure that the video cable connecting the monitor to the computer is connected properly and is secure.Run the monitor self-test feature check.Run the self-test feature and determine if the intermittent problem occurs in the self-test mode.Make sure that the video cable is connected properly with the monitor and the computer.Contact Dell Technical Support immediately.Do not perform any troubleshooting steps.Restart the computer in the power safe mode.Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode.Adjust Phase and Pixel Clock controls using On-Screen Display Menu (OSD).Note: When using DisplayPort input, the positioning adjustments are not available. Adjust the Brightness and Contrast controls through the On-Screen Display Menu (OSD).Adjust the Brightness and Contrast controls using the On-Screen Display Menu (OSD).Reset the monitor to the Factory Settings.Dim or discolored video can be caused by the video cable, so try reseating the cable and swapping with a known good part.See Dell Monitor Quality and Pixel Policy for more details. The exact number of pixels that are allowed varies depending on the monitor. A few permanently bright or dark pixels are considered normal by industry standards.Pixel that is permanently off is a natural defect that can occur in LCD technology.Relocate the monitor and test it in another room.Check for environmental factors (like fans or other sources of interference).Adjust the Phase and Pixel Clock controls using On-Screen Display Menu (OSD).Perform Auto Adjust using On-Screen Display Menu (OSD).Test monitor with known good system if available.Make sure that the correct input source is selected using the Input Source Select button.Check for bent or broken pins in the video cable connector.Perform monitor self-test feature check.Increase the brightness and contrast of the monitor through On-Screen Display Menu (OSD).Test with known good cable and known good system if possible.Make sure that the power button is depressed fully.Verify that the power outlet is functioning properly using any other electrical equipment.Make sure that the power cable connecting the monitor is properly connected and secure.Alternatively, to learn more about troubleshooting common issues on Dell monitors, see the Dell knowledge-base article Troubleshooting Display or Video Issues on a Dell Monitor or use our Monitor self-help Guide. This section provides information about troubleshooting steps that can help resolve the most common issues with the Dell P2422H monitor. If you notice any abnormalities in the diagnostics test, contact Dell Technical Support for repair options. Check the video card (GPU) and the computer. If you do not detect any screen abnormalities in the diagnostics test, the monitor is functioning properly. To exit, toggle the joystick button again. The test is complete when the text screen appears.Repeat step 5 and inspect the screen when it displays the colors green, blue, black, and white followed by the on-screen text.When initiated, a gray screen appears.Move the joystick button to select Others → Self-Diagnostic to initiate the self-diagnostic process.Press the joystick button to launch the OSD Main Menu.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |