Monitor video cable is disconnected.
Connect the appropriate video signal cable between the
computer and monitor. Be sure that the computer power
is off while connecting the video cable.
“Input Signal Out of
Range” is
displayed on
screen.
Video resolution and/or refresh
rate are set higher than the
monitor supports.
Change the settings to a supported setting (see Preset
display resolutions 63.5 cm (25 in) model on page 30 or
Preset
display resolutions 68.6 cm (27 in) model on
page 31).
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 on the front of the monitor
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.
Image on monitor displays
in low contrast and low
saturation. There are no
solid blacks. Only dark
grays appear.
The Video Level setting in the
OSD menu is not set appropriately
for your monitor configuration.
In the OSD menu, select Image, and then select Video
Level.
Change the setting to
Limited Range (64-940)
.
Image on monitor
displays
blacks and whites in low
detail and high contrast.
Colors appear over
saturated, and incorr ct
colors are
apparent.
The Video Level setting in the
OSD menu is not set appropriately
for your monitor configuration.
In the OSD menu, select Image, and then select Video
Level. Change the setting to Full Range (0-1023).
No image appears on
the monitor.
Your graphics card is not
compatible
with DisplayPort 1.4
mode.
If your monitor is connected to the computer using the
DisplayPort connector, change the DisplayPort Mode
from the default DisplayPort 1.4 mode to an older version
such as
DisplayPort 1.2 or DisplayPort 1.1.
Monitor wakes slowly from
sleep mode or does not
wake
at all.
The DP Hot-Plug Detection
setting in the OSD menu is not set
appropriately for your monitor
configuration.
In the OSD menu, select Input, and then select DP Hot-
Plug Detection. Change the setting from Low power
(default) to Always Active.