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Product speci c problems
Problem
What you
experience
Screen image is
Image is centered
too small
on screen, but
does not ll entire
viewing area
Cannot adjust
OSD does not
the monitor
appear on the
with the
screen
joystick control
on the rear of
the monitor
No Input Signal
No picture, the
when user
LED light is white
controls are
pressed
The picture
The picture cannot
does not ll the
ll the height
entire screen
or width of the
screen
No image
Blank screen
when using DP
connection to
the PC
No image
Blank screen
when using
USB Type-C
connection
to computer,
laptop, and so
on
6. Trouble Shooting Instructions
Possible solutions
• Check the Aspect Ratio setting in the Display
menu OSD.
• Reset the monitor to factory settings.
• Turn o 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 di erent 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 certi ed 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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