Dell U2711 appendix Video Problems, Product Specific Problems

Synchronization Problems

Screen is scrambled or appears torn

•Adjust Phase and Pixel Clock controls via OSD.

•Perform monitor self-test feature check and determine if these lines are also in self-test

•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.

•Reset the monitor to Factory Settings.

•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 sel

•Check for bent or broken pins in the video cable connector.

•Restart the computer in the safe mode.

Safety Related Issues

Intermittent Problems

Missing Color

Wrong Color

Visible signs of smoke or sparks

Monitor malfunctions on & off

Picture missing color

Picture color not good

•Do not perform any troubleshooting steps.

•Contact Dell immediately.

•Ensure that the video cable connecting the monitor to the computer is connected prope

•Reset the monitor to Factory Settings.

•Perform monitor self-test feature check to determine if the intermittent problem occurs

•Perform monitor self-test feature check.

•Ensure that the video cable connecting the monitor to the computer is connected prope

•Check for bent or broken pins in the video cable connector.

•Change the Color Setting Mode in the Color Settings OSD to Graphics or Video dependi application.

•Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color Se 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 image left on the monitor for a long period of time

No Sound

Faint shadow from the	•	Use the Power Management feature to turn off the monitor at all times when not in use
static image displayed		information, see Power Management Modes).
appears on the screen	•	Alternatively, use a dynamically changing screensaver.
No sound from 5.1 channel	•	Ensure the audio cable connecting the monitor and the player is properly connected an
audio player through the	•	5.1 channel Dolby or DTS format is unsupported and please set the audio output on yo
DP or HDMI		pulse-code modulation (PCM) if available.

Video Problems

COMMON SYMPTOMS

No Video

Low Quality DVD playback

Blinking Video

No option for maximum resolution 2560x1440 in DVI or DP

WHAT YOU EXPERIENCE

No signal indicator is displayed

Picture not crisp and some color distortion

Video is blinking or discontinuous

The maximum resolution obtained via DVI or DP is less than 2560x1440 (e.g. 1680x1050)

POSSIBLE SOLUTIONS

•Check Video Input Selection

¡Composite: Yellow colored RCA jack

¡Component: Red, Blue, Green colored RCA jacks

•Check DVD connection

¡Composite gives good picture

¡Component: Red, Blue, Green colored RCA jacks

•Check DVD connection

¡Composite gives good picture

¡Component: Red, Blue, Green colored RCA jacks

•Check if DVD player is HDCP compliant.

¡Some non-compliant players may exhibit blinking video and others w raster screen.

•The source device must be capable for resolution 2560x1440

•Ensure the DVI cable connecting the monitor and the computer is dual-link

•Recommend to use the dual-link DVI cable shipped with your monitor for m 2560x1440

Product Specific Problems

SPECIFIC SYMPTOMS

Screen image is too small

Cannot adjust the monitor with the buttons on the front panel

WHAT YOU EXPERIENCE	POSSIBLE SOLUTIONS
Image is centered on screen, but does not	•	Perform monitor reset on "Factory Reset"
fill entire viewing area
OSD does not appear on the screen	•	Turn the monitor off and unplug the power cord and then plug back and p

The monitor will not go into No picture, the LED light is blue. When

•Move mouse or hit any key on the keyboard on the computer or activate v