Troubleshooting ā 57Dell 27 MonitorSelect Option:+Select Option:Dell 27 Monitor4. Select the icon to enable the built-in diagnostics.5. Carefully inspect the screen for abnormalities.6. Press the Up key (button 1) on the back cover again. The color of the screenchanges to grey.7. Inspect the display for any abnormalties.8. Repeat step 6 and 7 to inspect the display in red, green, blue, black, white andtext pattern screens.The test is complete when the text pattern screen appears. To exit, press the Upkey (button 1) again.If you do not detect any screen abnormalties upon using the built-in diagnostic tool,the monitor is functioning properly. Check the video card and computer.Common problems
