Dell 858-BBBE, E2014T manual Built-in Diagnostics, 38  Troubleshooting

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Built-in Diagnostics

Your monitor has a built-in diagnostic tool that helps you determine if the problems with your monitor, or with your computer and video card.

NOTE: You can run the built-in diagnostics only when no display cables are connected and the monitor is in self-test mode.

To run the built-in diagnostics:

1.Make sure that the screen is clean

2.Unplug the video cable(s) from the computer or monitor. The monitor enters the self-test mode.

3.Press and hold button 1 and Button 4 simultaneously for 2 seconds. A gray screen appears.

4.Carefully inspect the screen for abnormalities.

5.Press button 4 again. The color of the screen changes to red.

6.Inspect the display for any abnormalities.

7.Repeat step 5 and step 6 to inspect the display in green, blue, black, white, and text screens.

The test is complete when the text-screen appears. To exit, press button 4 again. If you do not see any screen abnormalities while running the built-in diagnostic, the monitor is functioning properly. Check the computer and video card for problems.

38  Troubleshooting

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Contents User’s Guide Regulatory model E2014TtRev. A02 Contents Appendix  About Your MonitorAbout Your Monitor  About Your Monitor Features Front View Side-panel controls Back ViewSide View Bottom View 10  About Your Monitor SpecificationsPanel Electrical ResolutionTouch Physical Characteristics Environmental CharacteristicsPreset Display Modes 12  About Your MonitorPower Management Modes MHL14  About Your Monitor Pin Assignments VGAUpstream Downstream DisplayPortUniversal Serial Bus USB Plug-and-Play LCD Monitor Quality and Pixel Policy Maintenance GuidelinesCleaning Your Monitor 18  Setting Up the Monitor Attaching the StandConnecting Your Monitor Setting Up the Monitor Organizing Cables Connecting the USB Cable20  Setting Up the Monitor Removing the StandWall Mounting Optional Side-Panel Controls 22  Operating the MonitorFront-Panel Button Operating the Monitor 24  Operating the Monitor Using the On-Screen Display OSD MenuAccessing the Menu System OSD Options 26  Operating the Monitor HDMIMHL1 28  Operating the Monitor Operating the Monitor  System 30  Operating the MonitorOperating the Monitor  32  Operating the Monitor DDC/CIOperating the Monitor  OSD Warning Messages 34  Operating the MonitorSetting the Maximum Resolution Self-Test 36  TroubleshootingTilt Troubleshooting  Built-in Diagnostics 38  TroubleshootingCommon Problems 40  Troubleshooting OSDTroubleshooting  Touchscreen Problems 42  TroubleshootingProduct Specific Problems 44  Troubleshooting Universal Serial Bus USB Specific ProblemsSpecific What You Possible Solutions Symptoms Experience Safety Instructions Appendix Dell computer Setting Display Resolution to 1600 x 900 maximumDownloading Latest Video Drivers Non‑Dell computer or video cardSetting up Dual Monitors Using keyboard shortcutUsing display settings 48  AppendixWindows Windows 8 / Windows 50  AppendixAppendix  52  Appendix Display Styles For Multiple MonitorsDuplicate displays Extend displays Show desktop only on… 54  AppendixWindows 56  Appendix