Built-In Self-Test - The Dell S2422HZ monitor has a built-in self-test that helps you identify if the screen abnormality is with the monitor or the video card (GPU) on your computer. CAUTION: Dell S2422HZ setup must comply with the recommended panel orientation and working angle only.

Self-Test Feature Check - The self-test feature check on the Dell S2422HZ monitor allows you to check whether the monitor is functioning properly.Tilt the display backward until the maximum to avoid hitting the bottom edge of the display of the desk surface. NOTE: USB Type-A to USB Type-C, HDMI, and DP cables are an optional purchase and do not ship with the monitor. To learn how to download and update a device driver, see the Dell knowledge base article How to Download and Install Dell Drivers. For the integrated microphone in the monitor to function, connect the provided USB-C to USB-C cable between the computer and the monitor.

When the monitor is on, in Standby Mode, if the USB cable (Type-C to Type-C), is plugged in, then the USB ports can work normally. When you press the volume up or down buttons, the OSD volume bar is lagging or delayed with 11th generation Tiger Lake processor. To learn more about connecting your monitor to the computer, see the Dell knowledge base article How to Connect a Monitor to a Dell Computer. To learn how to run a diagnostic test, see the Running Diagnostics on Dell S2422HZ Monitor section of this Dell knowledge base article.

When changing the monitor’s resolution from Ensure that the monitor's microphone is selected and enabled or unmuted on the setting in VoIP or UC application.

Windows OS level computer mute, line out (when you select echo canceling speakerphone) continue to audio output. Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. Press Button 1 or Button 2 to highlight Factory Reset option in the menu and press Button 3 to select. Press Button 1 or Button 2 to highlight Model Number or Firmware Version option in the menu and press Button 3 to select. When you notice screen abnormalities like distortion, clarity, horizontal or vertical lines, color fade.Some USB devices like external portable hard drive require higher electric current; connect the device directly to the computer. With the stand that is attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle. Speaker volume is low or sounds soft when speaker option is set to the monitor in the sound settings interface. Dell S2422HZ Monitor Usage and Troubleshooting Guide This article provides information about how to setup and use the Dell S2422HZ monitor. NOTE: The monitor’s USB ports work only when the monitor is on or when the monitor is in Standby Mode.

Windows OS level computer volume change, line out (when you select echo canceling speakerphone) volume cannot be adjustable. If your Dell monitor has a blank or black screen, fuzzy or blurry image, flickering, distorted or any other screen abnormalities, running a diagnostic test helps determine if the Dell monitor is functioning normally. If your monitor screen remains blank after you use the previous procedure, check your video card (GPU) and computer, because your monitor is functioning properly. During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state.Due to legacy platform cannot recognize or output 5120 x 1440, we suggest changing EDID to lower resolution to cover this compatibility problem.