Product Specific Problems - Dell S2721DGFA User Manual

Product specific problems

Problem
Screen image is
too small
Cannot adjust
the monitor
with the
buttons on the
front panel
No Input Signal
when user
controls are
pressed
The picture
does not fill the
entire screen
No image
when using DP
connection to
the PC
62 | Troubleshooting
What you Possible solutions
experience
Image is • Check the Aspect Ratio setting in the Display
centered on
screen, but • Reset the monitor to factory settings.
does not fill
entire viewing
area
OSD does not • Turn off the monitor, unplug the monitor power
appear on the
screen
No picture, the • Check the signal source. Ensure the computer
LED light is
white
• Check whether the signal cable is plugged
• Reset the computer or video player.
The picture • Due to different video formats (aspect ratio) of
cannot fill the
height or width • Run the built-in diagnostics.
of the screen
Black screen • Verify which DP standard (DP 1.1a or DP 1.4) is
• Some DP 1.1a graphics card cannot support
joystick
menu OSD.
cable, plug it back, and then turn on the monitor.
is not in the power saving mode by moving the
mouse or pressing any key on the keyboard.
in properly. Connect the signal cable again, if
necessary.
DVDs, the monitor may display in full screen.
your Graphics Card certified to. Download and
install the latest graphics card driver.
DP 1.4 monitors. Go to OSD menu, under Input
Source selection, press and hold DP select
key for 8 sec to change the monitor setting from
DP 1.4 to DP 1.1a.