Dell P2214H/P2414H manual Troubleshooting

Page 50

Missing Pixels LCD screen has spots

•Cycle power on-off.

•Pixel that is permanently off is a natural defect that can occur in LCD technology.

•For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:http://www.dell.com/ support/monitors.

Stuck-on Pixels LCD screen has bright spots

•Cycle power on-off.

•Pixel that is permanently off is a natural defect that can occur in LCD technology.

•For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:http://www.dell.com/ support/monitors.

Brightness

Picture too dim

• Reset the monitor to Factory Settings.

Problems

or too bright

• Auto Adjust via OSD.

 

 

• Adjust brightness & contrast controls via OSD.

 

 

 

Geometric

Screen not

• Reset the monitor to Factory Settings.

Distortion

centered

• Auto Adjust via OSD.

 

correctly

• Adjust horizontal & vertical controls via OSD.

 

 

NOTE: When using DVI-D/DisplayPort input, the positioning

 

 

adjustments are not available.

 

 

 

Horizontal/

Screen has one

• Reset the monitor to Factory Settings.

Vertical Lines

or more lines

• Perform Auto Adjust via OSD.

 

 

• Adjust Phase and Pixel Clock controls via OSD.

 

 

• Perform monitor self-test feature check and determine if

 

 

these lines are also in self-test mode.

 

 

• Check for bent or broken pins in the video cable connector.

 

 

• Run the built-in diagnostics.

 

 

NOTE: When using DVI-D/DisplayPort input, the Pixel Clock

 

 

and Phase adjustments are not available.

 

 

 

Synchronization

Screen is

• Reset the monitor to Factory Settings.

Problems

scrambled or

• Perform Auto Adjust via OSD.

 

appears torn

• Adjust Phase and Pixel Clock controls via OSD.

 

 

• Perform monitor self-test feature check to determine if the

 

 

scrambled screen appears in self-test mode.

 

 

• Check for bent or broken pins in the video cable connector.

 

 

• Restart the computer in the safe mode.

 

 

 

Safety Related

Visible signs of

• Do not perform any troubleshooting steps.

Issues

smoke or sparks

• Contact Dell immediately.

 

 

 

Intermittent

Monitor

• Ensure that the video cable connecting the monitor to the

Problems

malfunctions on

computer is connected properly and is secure.

 

& off

• Reset the monitor to Factory Settings.

 

 

• Perform monitor self-test feature check to determine if the

 

 

intermittent problem occurs in self-test mode.

 

 

 

50 Troubleshooting

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Contents User’s Guide Rev. A00 Contents FCC Notices U.S. Only and Other Regulatory Package Contents About Your MonitorProduct Features Identifying Parts and Controls Front ViewBack View Back View with monitor standSide View Bottom View Monitor Specifications Flat Panel SpecificationsSupported Video Modes Resolution SpecificationsPreset Display Modes Electrical Specifications Physical CharacteristicsEnvironmental Characteristics Power Management Modes VesaVGA Connector Pin Pin Side Number Connected Signal Cable Pin AssignmentsDVI Connector Pin Pin Side Number Connected Signal Cable DisplayPort Connector Plug and Play CapabilityUniversal Serial Bus USB Interface USB Upstream ConnectorPin Number Pin Side of the Connector Cleaning Your Monitor LCD Monitor Quality and Pixel Policy Maintenance GuidelinesUSB Downstream Connector USB PortsAbout Your Monitor Connecting Your Monitor Attaching the StandSetting Up the Monitor Connecting the USB cable Organizing Your CablesRemoving the Monitor Stand Attaching the Cable CoverWall Mounting Optional Setting Up the Monitor Shortcut key Preset Modes Operating the Monitor Power On the MonitorUsing the Front Panel Controls Press the button to turn on the monitorFront Panel Button Back Using the On-Screen Display OSD MenuAccessing the Menu System Page Page Icon Menu andDescription Submenus Operating the Monitor Input Color Format Operating the Monitor Aspect Ratio SettingsImage Enhance PositionEnergy Settings Operating the Monitor Other Settings Operating the Monitor Page Page Setting the Maximum Resolution See Troubleshooting for more informationVertical Extension Using the Tilt, Swivel, and Vertical ExtensionTilt, Swivel Rotating the Monitor Adjusting the Rotation Display Settings of Your System Troubleshooting Self-TestBuilt-in Diagnostics Common Problems Input Source menuTroubleshooting Product Specific Problems Specific What You Possible Solutions Symptoms ExperienceSpecific What You Universal Serial Bus USB Specific ProblemsSymptoms Experience Setting Up Your Monitor Setting the display resolution
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