17
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
Possible Cause
Solution
Screen is blank or
video is flashing.
Power cord is disconnected.
Connect the monitor power cord.
Power button is turned 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.
Computer power is turned off. Turn on power to the computer.
Video cable is not connected.
Connect the DisplayPort video cable between the
computer and monitor. Be sure the computer power is off
while you connect the video cable.
System is in sleep mode.
Press any key on the keyboard or move the mouse to
exit sleep mode.
Video card is incompatible.
Replace the video card or connect the DisplayPort
cable to the computer’s onboard DisplayPort.
Image appears
blurred, indistinct, or
too dark.
Brightness is too low.
Open the OSD menu and select
Brightness
to adjust
the brightness scale as needed.
Input Signal Not Found
is
displayed on screen.
Monitor video
cable is
disconnected.
Connect the DisplayPort video cable between the
computer and monitor. Be sure that the computer power
is off while you connect the video cable.
No video signal.
Be sure the computer has sent out a video signal.
Input Signal Out of Range
is displayed on screen.
Video resolution and/or
refresh rate are set higher
than what the monitor
supports.
Change the settings to a supported setting.
The monitor is off but it did
not seem to enter into
sleep mode.
The monitor's power
saving control is
disabled.
Open the OSD menu and select
Power Control
>
Auto-Sleep Mode
and set auto-sleep to
On
.
OSD Lockout
is displayed. The monitor's OSD
Lockout function is
enabled.
Press and hold the Menu button on the monitor bezel for
seconds to disable the OSD Lockout function.
Power Button Lockout
is
displayed.
The monitor's power
button lockout function
is enabled.
Press and hold the monitor power button for seconds to
disable the power button lockout function.
Summary of Contents for L7014
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