17
Support and troubleshooting
The following table lists possible issues, the possible cause of each issue, and the recommended solutions.
Table 3-1
Common issues and solutions
Issues
Possible cause
Solution
Screen is blank or
video is flashing.
Power cord is disconnected. Connect the power cord.
Monitor is off.
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.
Video cable is improperly
connected.
Connect the video cable properly. See
Connecting the cables on page 7
for more
information.
System is in Auto-Sleep
Mode.
Press any key on the keyboard or
move the mouse to inactivate the
screen blanking utility.
Video card is incompatible.
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.
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 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 on page 26
).
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
Menu
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.
