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Product specific problems
NOTE: Thunderbolt
Problem
What you
experience
Screen image is
Image is
too small
centered on
screen, but
does not fill
entire viewing
area
Cannot adjust
OSD does not
the monitor
appear on the
with the
screen
buttons on the
front panel
No Input Signal
No picture, the
when user
LED light is
controls are
white
pressed
The picture
The picture
does not fill the
cannot fill the
entire screen
height or width
of the screen
No Video or
No video when
display on HDMI
connecting
port
docking, dongle
or Blu-ray DVD
players
Monitor
Displayed
displayed image
image not at
at 2560 x 1080
5120 x 2160 @
@ 60Hz
30Hz/60Hz
due to duplicate
mode
Monitor
Displayed image
displayed
not at 5120
image not at
x 2160 when
5120x2160
connected to
docking device
6. Trouble Shooting Instructions
TM
is not supported Windows 7.
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.
• Due to legacy platform cannot recognize or
output 5120 x 2160, we suggest to switch to
lower resolution to cover this compatibility
problem:
1. Remove all input cables, press and hold Up or
Down or Left or Right direction for 4 seconds .
(Please refer to
numbers)
2. Choose "Enable" on POP up screen to change
max resolution from 5120 x 2160 to 3840 x 2160.
• Press "Windows" + "P" key, select either "Extend
Mode" or "second screen only".
• Goto Display setting, select 5120x2160.
• To support 5120x2160, check whether docking
device meet either one of the following:
1. DP1.2 or higher
2. Type-C Alt Mode DP1.2 or higher
3. HDMI 2.0
Built-in Diagnostics
for button
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