Dell ST2220 appendix Product-Specific Problems, Troubleshooting the Dell Soundbar Optional

		•	Adjust Phase and Pixel Clock controls via OSD.
		•	Perform monitor self-test feature check and determine if these lines are also in self-t
		•	Check for bent or broken pins in the video cable connector.
		•	Run the built-in diagnostics.
Synchronization Problems	Screen is scrambled or appears	•	Reset the monitor to Factory Settings.
	torn	•	Perform Auto Adjust via OSD.
		•	Adjust Phase and Pixel Clock controls via OSD.
		•	Perform monitor self-test feature check to determine if scrambled screen appears in
			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 smoke or sparks	•	Do not perform any troubleshooting steps.
		•	Contact Dell immediately.
Intermittent Problems	Monitor turns on & off	•	Ensure that the video cable connecting the monitor to the computer is connected pr
			secure.
		•	Reset the monitor to Factory Settings.
		•	Perform monitor self-test feature check to determine if the intermittent problem occu
			mode.
Missing Color	Picture lacks color	•	Perform monitor self-test feature check.
		•	Ensure that the video cable connecting the monitor to the computer is connected pr
			secure.
		•	Check for bent or broken pins in the video cable connector.
Wrong Color	Picture color is not good	•	Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depe
			application.
		•	Try a different Color Preset Setting in Color Settings OSD. Adjust R/G/B value in Colo
			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 static	Faint shadow from the static image	•	Use the Power Management feature to turn off the monitor at all times when not in
image left on the monitor for a	displayed appears on the screen		information, see Power Management Modes).
long period of time		•	Alternatively, use a dynamically changing screensaver.

Product-Specific Problems

SPECIFIC SYMPTOMS

Screen image is too small

Cannot adjust the monitor with the buttons on the front panel

No Input Signal when user controls pressed

WHAT YOU EXPERIENCE

Image is centered on screen, but does not fill entire viewing area

OSD does not appear on the screen

No picture, the LED light is amber. When control button is pressed, the message " No VGA cable", "No DVI-D cable"or "No HDMI cable" will appear.

POSSIBLE SOLUTIONS

•	Perform monitor reset on "Factory Reset"
•	Turn the monitor off and unplug the power cord and then plug back and power on
•	Check the signal source. Ensure that the computer is not in power saving by movin
	or pressing any key on the keyboard.
•	Check whether the signal cable is plugged in and seated properly. Re-plug the sign
	necessary.
•	Re-boot the computer or video player.

The monitor will not fill the entire	The picture does not fill the
screen.	height or width of the screen.

• Due to the non-standard formats of DVDs, the monitor may not show the full scree

Troubleshooting the Dell™ Soundbar (Optional)

COMMON SYMPTOMS

No Sound

WHAT YOU EXPERIENCE

Soundbar has power - power indicator is on.

POSSIBLE SOLUTIONS

•Plug the audio line-in cable into the computer's audio out jack.

•Set all Windows volume controls to their maximum.

•Play some audio content on the computer (i.e., audio CD, or MP3).

•Turn the volume up.

•Clean and reseat the audio line-in plug.

•Test the Soundbar using another audio source (i.e., portable CD player).

Distorted Sound

Computer's sound card is used as the audio source.

•Clear any obstructions between the Soundbar and the user.

•Confirm that the audio line-in plug is completely inserted into the jack of the sound

•Set all Windows volume controls to their midpoints.

•Decrease the volume of the audio application.