Troubleshooting
53
NOTE:
When choosing DP / HDMI (MHL)1 / HDMI (MHL)2 mode, the Auto Adjust
function is not available.
Product-Specific Problems
Specific Symptoms What You
Experience
Possible Solutions
Screen image is too
small
Image is centered on
screen, but does not
fill entire viewing area
• Check the
Aspect Ratio
setting in the
Display
OSD.
• Reset the monitor to
Factory
Settings
.
Cannot adjust the
monitor with the
buttons on the front
panel
OSD does not appear
on the screen
• Turn off the monitor, unplug the
power cord, plug back, and then turn
on the monitor.
• Check whether the OSD menu and
Power button is locked. If yes, press
and hold the button beside the Power
button for 6 seconds to unlock (for
more information, see Lock). Or
pressing the menu key of remote
control takes you directly to the
OSD settings menu, with OSD ‘Lock’
pre-selected on entry, use the and
keys of remote control to select
‘Unlock’, press
of remote control
to unlock. (for more information, see
Lock
)
No Input Signal when
user controls are
pressed
No picture, the LED
light is white. When
you press “up”, “down”
or “Menu” key, the
message “ No input
signal” will appear.
• Check the signal source. Ensure the
computer is not in the power saving
mode by moving the mouse or
pressing any key on the keyboard.
• Check whether the signal cable is
plugged in properly. Re-plug the
signal cable if necessary.
• Reset the computer or video player.
The picture does not
fill the entire screen
The picture cannot fill
the height or width of
the screen
• Due to different video formats (aspect
ratio) of DVDs, the monitor may
display in full screen.
• Run the built-in diagnostics.
