Dell E248WFP Product Specific Problems, Common Symptoms What You Possible Solutions Experience

Common Symptoms	What You		Possible Solutions
	Experience
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 depressed fully.
No Video/ Power LED on	No picture or no	•	Increase brightness & contrast controls via OSD.
	brightness	•	Perform monitor self-test feature check.
		•	Check for bent or broken pins in the video cable connector.
Poor Focus	Picture is fuzzy,	•	Perform Auto Adjust via OSD.
	blurry, or ghosting	•	Adjust the Phase and Pixel Clock controls via OSD.
		•	Eliminate video extension cables.
		•	Reset the monitor to Factory Settings.
		•	Change the video resolution to the correct aspect ration (16:10).
Shaky/Jittery Video	Wavy picture or	•	Perform Auto Adjust via OSD.
	fine movement	•	Adjust the Phase and Pixel Clock controls via OSD.
		•	Reset the monitor to Factory Settings.
		•	Check environmental factors.
		•	Relocate the monitor and test in another room.
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 '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 '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 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
Input auto switching to	Can't select input	•	Under "Auto Detect" mode if one of the DVI or VGA signal is lost(or cable disconnected) the display will
another source	source		automatically switch to the other input source where a signal exist.

Product Specific Problems

SPECIFIC SYMPTOMS	WHAT YOU EXPERIENCE	POSSIBLE SOLUTIONS
Screen image is too small	Image is centered on screen, but does not fill entire	• Reset the monitor to factory settings using