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Product specific problems
Problem
Screen image is
too small
Cannot adjust
the monitor
with the
joystick control
on the rear of
the monitor
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
No image
when using
USB Type-C
connection
to computer,
laptop, and so
on
108
|
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 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 which DP standard is your Graphics
Card certified to. Download and install the
latest graphics card driver.
• Some DP 1.1a graphics card cannot support
DP 1.2/1.4 monitors.
• Verify if the USB Type-C interface of the
device can support DP alternate mode.
• Verify if the device required more than 90 W
power charging.
• USB Type-C interface of device cannot
support DP alternate mode.
• Set Windows to Projection mode.
• Ensure that the USB Type-C cable is not
damaged.
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