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Many of today's business monitors come with nifty features such as a high native resolution and precise color-calibration settings.
While it is petty to see that, as it shows a lack of designer thought, it will be probably the least used mode in terms of daily usage, so we’ll give it a pass. Self-Test Feature Check - The self-test feature check on the Dell P2719H monitor allows you to check whether the monitor is functioning properly.
The next figure shows how well the display is able to reproduce really dark parts of an image, which is essential when watching movies or playing games in low ambient light. Turn off your monitor and reconnect the video cable: then turn on both your computer and the monitor.
If you notice any abnormalities during Built-In Diagnostics, you may get the monitor repaired/replaced if it is under warranty by contacting Dell Technical Support. While this is completely normal, when a manufacturer is trying to cut corners, sometimes this results in a flimsy outcome.
To learn more about how to use the On-Screen Display (OSD) menu, refer to the Operating Your Monitor section in the User's Guide of Dell P2719H monitor.
