Dell U2414H Monitor User Manual Page 57
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting | 57
To run the built-in diagnostics:
1. Ensure that the screen is clean (no dust particles on the surface of the screen).
2. Unplug the video cable(s) from the back of the computer or monitor. The monitor
then goes into the self-test mode.
3. Press and hold Button 1 and Button 4 on the front panel simultaneously for 2
seconds. A gray screen appears.
4. Carefully inspect the screen for abnormalities.
5. Press Button 4 on the front panel again. The color of the screen changes to red.
6. Inspect the display for any abnormalities.
7. Repeat steps 5 and 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 detect any screen abnormalities upon using the built-in diagnostic tool, the
monitor is functioning properly. Check the video card and computer.
Common Problems
The following table contains general information about common monitor problems you
might encounter and the possible solutions:
Common
Symptoms
What You
Experience
Possible Solutions
No Video/Power
LED off
No picture • Ensure that the video cable connecting the monitor and the
computer is properly connected and secure.
• Verify that the power outlet is functioning properly using
any other electrical equipment.
• Ensure that the power button is depressed fully.
• Ensure that the correct input source is selected via the Input
Source menu.
No Video/Power
LED on
No picture or no
brightness
• Increase brightness & contrast controls via OSD.
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video cable connector.
• Run the built-in diagnostics.
• Ensure that the correct input source is selected via the Input
Source menu.
Poor Focus Picture is fuzzy,
blurry, or
ghosting
• Eliminate video extension cables.
• Reset the monitor to Factory Settings.
• Change the video resolution to the correct aspect ratio.
Shaky/Jittery
Video
Wavy picture or
fine movement
• Reset the monitor to Factory Settings.
• Check environmental factors.
• Relocate the monitor and test in another room.
- User’s Guide 1
- Notes, Cautions, and Warnings 2
- Contents 3
- 4
- About Your Monitor 5
- Product Features 6
- Front View 7
- Back View 8
- Side View 9
- Bottom View 9
- Monitor Specifications 10
- Resolution Specifications 11
- Supported Video Modes 11
- Preset Display Modes 11
- MHL Source Display Modes 12
- Electrical Specifications 12
- Physical Characteristics 13
- Power Management Modes 14
- Environmental Characteristics 14
- About Your Monitor 15
- Pin Assignments 16
- Mini DisplayPort Connector 17
- 18 18
- Plug and Play Capability 19
- USB Upstream Connector 20
- USB Downstream Connector 21
- USB Ports 21
- Maintenance Guidelines 22
- Setting Up the Monitor 23
- Connecting the HDMI cable 24
- Connecting the MHL cable 24
- 26 26
- Connecting the USB 3.0 cable 28
- Organizing Your Cables 29
- Attaching the Cable Cover 30
- Removing the Monitor Stand 30
- Removing the Cable Cover 31
- Wall Mounting (Optional) 31
- 32 32
- Operating the Monitor 33
- Front Panel Button 34
- Accessing the Menu System 35
- 36 36
- 38 38
- Operating the Monitor 39
- Input Color 39
- 40 40
- 42 42
- 44 44
- 46 46
- 48 48
- Tilt, Swivel 49
- Vertical Extension 50
- Rotating the Monitor 50
- Operating the Monitor 51
- Rotate clockwise 51
- Rotate counterclockwise 51
- Dual-Monitor Setup 52
- 54 54
- Troubleshooting 55
- Built-in Diagnostics 56
- Common Problems 57
- 58 58
- Product Specific Problems 59
- 60 60
- Appendix 61
- Setting Up Your Monitor 62
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