Table of Contents
Advertisement
HDMI test
DP1/DP2 test
USB-C Alt-Mode
USB-C PD Test
USB Hub Test
Support and troubleshooting
The following table lists possible problems, the possible cause or each problem, and the recommended
solutions.
Table 4-2:
Solving common problems
Problem
Screen is blank or
video is flashing.
Image appears
blurred, indistinct,
or too dark.
Input Signal Out of
Range is displayed
on screen.
The monitor does
not enter into a
low-power sleep
state.
"On-Screen Menus
are Locked" is
displayed.
Confirm whether image displays and sound plays
correctly on the monitor
Confirm whether image displays and sound plays
correctly on the monitor
Confirm whether image displays correctly on the
monitor
Confirm PDO/Charging working normally.
Confirm USB function of 3-USB Type-A and 1-USB
Type-C working normally.
Possible cause
Power cord is disconnected.
Monitor is off.
Video cable is improperly connected.
System is in Auto-Sleep mode.
Video card is incompatible.
Brightness is too low.
Video resolution and/or refresh rate are set higher
than what the monitor supports.
The monitor's power saving control is disabled.
The monitor's OSD lock function is enabled.
Computer or DVD player
Computer or DVD player
Computer or Notebook
Notebook
Computer or Notebook
Solution
Connect the power cord.
Power the monitor power button.
NOTE: If pressing the Power button
has no effect, press and hold the
power button for 10 seconds to
disable the Power button lockout
feature.
Connect the video cable properly.
Press any key on the keyboard or
move the mouse to exit Sleep mode.
Open the OSD menu and select
the Input menu. Set Auto-
Switch Input to Off and
manually select the input.
or
Replace the video card or connect the
video cable to one of the computer's
on-board video sources.
Open the OSD menu and select
Brightness to adjust the brightness
scale as needed.
Change the settings to a supported
setting.
Open the OSD menu and select
Power, select Auto-Sleep Mode and
set auto-sleep to On.
Press and hold the Left button for 10
seconds to disable the OSD Lockout
function.
19
Advertisement
Table of Contents
