Dell 3309WFP appendix Product Specific Problems, Universal Serial Bus USB Specific Problems

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 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

Product Specific Problems

Specific Symptoms	What You Experience		Possible Solutions
Screen image is too small	Image is centered on screen, but does not fill	•	Check the Scaling Ratio setting in Image Setting OSD
	entire viewing area	•	Reset the monitor to Factory Settings.
Cannot adjust the monitor	OSD does not appear on the screen	•	Turn off the monitor, unplug the power cord, plug back, and then turn on
with the buttons on the front			the monitor.
panel
The monitor will not go into	No picture, the LED light is blue. When press	•	Move mouse or hit any key on the keyboard or activate the video player,
power saving mode.	“+”, “-” or “Menu” key, the message “ No S-		then access the OSD to set Audio to off state.
	Video input signal ”, “ No Composite input signal
	” or “ No Component input signal ” appears
No Input Signal when user	No picture, the LED light is blue. When press +, -	•	Check the signal source. Ensure the Computer is not in the power saving
controls are pressed	or Menu key, the message No S-Video input		mode by moving the mouse or pressing any key on the keyboard.
	signal, No Composite input signal, or No	•	Check to make sure Video Source to S-Video, Composite or Component is
	Component input signal appears		powered and playing video media.
		•	Check whether the signal cable is plugged in properly. Re-plug the
			signal cable if necessary.
		•	Reset the computer or video player.
The picture does not fill the	The picture cannot fill the height or width of the	•	Due to different video formats (aspect ratio) of DVDs, the monitor may
entire screen.	screen		display in full screen.
Input auto switching to	Can't select input source	•	Under"Auto Detect"mode if one of the DVI or VGA signal is lost(or cable
another source			disconnected)this display will automatically to the other input source
			where a signal exist.

NOTE: When choosing DVI-D mode, the Auto Adjust function is not available.

Universal Serial Bus (USB) Specific Problems

Specific Symptoms	What You Experience		Possible Solutions
USB interface is not working	USB peripherals are not working	•	Check that your monitor is turned ON.
		•	Reconnect the upstream cable to your computer.
		•	Reconnect the USB peripherals (downstream connector).
		•	Switch off and then turn on the monitor again.