Wrong Color Picture color not good Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending on the
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.
Run the built-in diagnostics.
Image retention from a static image
left on the monitor for a long period of
time
Faint shadow from the static image
displayed appears on the screen Use the Power Management feature to turn Off the monitor at all times when not in use (for more
information, see Power Management Modes).
Alternatively, use a dynamically changing screensaver.
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 viewing area Check the Scaling Ratio setting in the Image Setting OSD.
Reset the monitor to Factory Settings.
Cannot adjust the monitor with the
buttons on the front panel OSD does not appear on the screen Turn Off the monitor, unplug the power cord, plug it back, and then turn On the monitor.
Check whether the OSD menu is locked. If yes, press and hold the button above the Power button for 10
seconds to unlock (for more information, see Menu Lock).
No Input Signal when user controls are
pressed No picture, the LED light is white. Check the signal source. Ensure the Computer is not in the power saving mode by moving the mouse or
pressing any key on the keyboard.
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 entire
screen. The picture cannot fill the height or
width of the screen Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen.
Run the built-in diagnostics.
No image when using DP connection to
the PC Black screen Verify which DP standard (DP 1.1a or DP 1.2) is your Graphics Card certified to. Download and install the latest
Graphics Card driver.
Some DP 1.1a Graphics Card cannot support DP 1.2 monitors. Change the monitor DP setting to match your
Graphics Card by following instruction found in section " Connecting the Monitor For DP MST Function".
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.
Reboot the computer.
Some USB devices like external portable HDD require higher electric current; connect the device directly to the
computer system.
High Speed USB 3.0 interface is slow. High Speed USB 3.0 peripherals
working slowly or not working at all Check that your computer is USB 3.0-capable.
Some computers have both USB 3.0, USB 2.0 and USB 1.1 ports. Ensure that the correct USB port is used.
Reconnect the upstream cable to your computer.
Reconnect the USB peripherals (downstream connector).
Reboot the computer.
Dell™ Soundbar Problems
Common Symptoms What You Experience Possible Solutions
No Sound No power to Soundbar - the power
indicator is off Turn the Power/Volume knob on the soundbar clockwise to the middle position; check if the power indicator
(Blue LED) on the front of the soundbar is illuminated.
Confirm that the power cable from the soundbar is plugged into the adapter.
No Sound Soundbar has power - power indicator
is on
Plug the audio line-in cable into the computer's audio out jack.
Set all Windows volume controls to their maximum.