Dell 2009W appendix Information, see Power Management Modes

Missing Pixels	LCD screen has	•	Cycle power on-off.
	spots	•	Pixel that is permanently off is a natural defect that can occur in LCD technology.
Stuck-on Pixels	LCD screen has	•	Cycle power on-off.
	bright spots	•	Pixel that is permanently off is a natural defect that can occur in LCD technology.
Brightness Problems	Picture too dim or	•	Reset the monitor to Factory Settings.
	too bright	•	Auto Adjust via OSD.
		•	Adjust brightness & contrast controls via OSD.
Geometric Distortion	Screen not	•	Reset the monitor to Factory Settings.
	centered correctly	•	Auto Adjust via OSD.
		•	Adjust brightness & contrast controls via OSD.
		NOTE: When using '2: DVI-D', the positioning adjustments are not available.
Horizontal/Vertical Lines	Screen has one or	•	Reset the monitor to Factory Settings.
	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.
		NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.
Synchronization Problems	Screen is	•	Reset the monitor to Factory Settings.
	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 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 Issues	Visible signs of	•	Do not perform any troubleshooting steps.
	smoke or sparks	•	Contact Dell immediately.
Intermittent Problems	Monitor	•	Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
	malfunctions on &	•	Reset the monitor to Factory Settings.
	off	•	Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode.
Missing Color	Picture missing	•	Perform monitor self-test feature check.
	color	•	Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
		•	Check for bent or broken pins in the video cable connector.
Wrong Color	Picture color not	•	Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending to the
	good		application.
		•	Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color Settings OSD if the
			Color Management is turned off.
		•	Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
Image retention from a	Faint shadow from	•	Use the Power Management feature to turn off the monitor at all times when it is not in use (for more
static image left on the	the static image		information, see Power Management Modes).
monitor for a long period	displayed appears	•	Alternatively, use a dynamically changing screensaver.
of time	on the screen