Table 4-1 Common issues and solutions
Issues Possible cause Solution
Screen is blank or video is
blinking.
● Power cord is disconnected.
● Monitor is off.
● Video cable is improperly
connected.
● System is in Auto-Sleep Mode.
● Video card is incompatible.
● Connect the power cord.
● Press 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. For more
information, see Connecting the cables on page 10.
● Press any key on the keyboard or move the mouse to
inactivate the screen blanking utility.
● Perform one of the following actions:
– Open the OSD menu and select the Input menu.
Set Auto-Switch Input to Off, and then manually
select the input.
– Replace the video card or connect the video
cable to one of the computer’s on-board video
sources.
Image appears blurred,
indistinct, or too dark.
Brightness setting is too low. Open the OSD menu, and select Brightness to adjust the
brightness scale as needed.
“Check Video Cable” is
displayed on the screen.
Monitor video cable is
disconnected.
Connect the appropriate video signal cable between the
computer and monitor. Be sure that the computer power is
turned off while connecting the video cable.
“Input Signal Out of Range”
is displayed on screen.
Video resolution rate, refresh rate,
or both, are set higher than the
monitor supports.
Change the settings to a supported setting. See Preset
display resolutions on page 32.
The monitor does not enter
into a low-power sleep
state.
The monitor's power saving control
is disabled.
Open the OSD menu and select Power, select Auto-Sleep
Mode, and then set auto-sleep to On.
“OSD Lockout” is displayed. The monitor's OSD Lockout
function is enabled.
Press and hold the Left button for 10 seconds to disable
the OSD Lockout function.
“Power Button Lockout” is
displayed.
The monitor's Power Button
Lockout feature is enabled.
Press and hold the Power button for 10 seconds to unlock
the power button function.
Monitor has trouble waking
from Sleep mode
DisplayPort inputs: Set the DisplayPort hot-plug detection
to Always Active.
Power mode monitors: Set the hot-plug detection to Always
Active to switch the monitor to Performance mode.
Slow performance from
USB
The monitor has a two-lane default for USB Type-C. On
selected products, you can press the Joypad button
to open the OSD menu, navigate to the USB Type-C
configuration, and then select USB-C Video + USB 3.0 for
data transfer prioritization.
Lower refresh rate or color
bits
Select USB-C Video + USB 2.0 for refresh rate/color bits
prioritization.
Solving common issues 27
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