Product Specific Problems - Dell S2422HZ 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 computer
No image when
using USB-C
connection
to computer,
laptop, and so
on
74 | Troubleshooting
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
white.
The picture
cannot fill the
height or width
of the screen
Blank screen
Blank screen
Possible solutions
• Check the Aspect Ratio setting in the Display
menu OSD.
• Reset the monitor to factory settings.
• Turn off the monitor, unplug the monitor
power cable, plug it back, and then turn on the
monitor.
• Check the signal source. Ensure that 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. Connect the signal cable again, if
necessary.
• Reset the computer or video player.
• Due to different video formats (aspect ratio) of
DVDs, the monitor may display in full screen.
• Run the built-in diagnostics.
• Verify if your graphics card is certified to DP 1.1a
or DP 1.2 DP standard. Download and install the
latest graphics card driver.
• Some DP 1.1a graphics card cannot support
DP 1.2 monitors. Go to OSD menu, under Input
Source.
• Verify if the USB-C interface of the device can
support DP alternate mode.
• Verify if the device required power charging.
• USB-C interface of device cannot support DP
alternate mode.
• Set Windows to Projection mode.
• Ensure that the USB-C cable is not damaged.