This box also appears during normal system operation, if the video cable becomes disconnected or damaged. The monitor will enter Power Save Mode after 5 minutesif left at this state.

This cookie is used to a profile based on user's interest and display personalized ads to the users. You can only run the built-in diagnostics when the video cable is unplugged and the monitor is in self-test mode.The Dell P2214HB is a 21.5" LCD monitor that delivers clear and vibrant visuals for your computing needs. With a 1920x1080 resolution, this monitor provides a high-definition display that's perfect for work and entertainment. Key Features: Ensure that the video cable connecting the monitor and the computer is properly connected and secure.

Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.

Your monitor has a built-in diagnostic tool that helps to determine if the screen abnormality you are experiencing is an inherent problem with the monitor, or with the computer and video card. To run the built-in diagnostics:

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 Color Setting modein the Color SettingsOSD to Graphicsor Video, depending on the application. Turn off the flat panel display and reconnect the video cable; then turn on both the computer and the flat panel display. I tried a VGA/HDMI adapter - also does not work on the new Dell I bought. The same VGA cable was tested on an old HP laptop (with a VGA slot). The monitor works. The VGA cable works. Using the same VGA cable on theVGA/HDMI adapter and the DELL laptop does not recognize the monitor. TheVGA/HDMI adapter I borrowed from someone that uses it - theVGA/HDMI adapter works.

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Your display does however have a DVI input, so you could try an HDMI to DVI cable -- or an HDMI to DVI adapter if you already have an HDMI or DVI cable, although in that case make sure you get an adapter that goes in the proper direction. There are female HDMI to male DVI adapters that would be appropriate if you had an HDMI cable, and female DVI to male HDMI adapters if you had a DVI cable.