Dell P2214H/P2414H manual Troubleshooting

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