Troubleshooting
55
Troubleshooting
Problem
Solution
No picture
Check the following:
• Is the display turned on? Check the power indicator of the
display.
• Is the signal source device turned on? Turn on the device
and try again.
• Are there any loose cable connections? Make sure that all
cables are connected firmly.
• Have you chosen an unsupported output resolution on
the computer? Refer to
Supported input signal resolution
on page 54
to select a supported resolution and try again.
• Have you chosen an unsupported output resolution on
the DVD or Blu-ray disc player? Refer to
Supported input
signal resolution on page 54
to select a supported
resolution and try again.
No sound
Check the following:
• Have you turned on the mute function on the display or
the input source device? Turn off the mute function or
increase the audio volume level and try again.
• Are there any loose cable connections? Make sure that all
cables are connected firmly.
The computer input
image looks strange
• Have you chosen an unsupported output resolution on
the computer? Refer to
Supported input signal resolution
on page 54
to select a supported resolution and try again.
• Use the
Auto Tune
function (
See
Picture
menu on page
33
) to let the display automatically optimize the display of
computer image.
• If the result of the
Auto Tune
function is not satisfactory,
use the
Clock
,
Phase
,
Horizontal Position
, and
Vertical Position
functions to manually adjust the image.
The displayed image
looks blurry or grainy
• Use the
Default
function (
See
Setting
menu on page 35
)
to set the output signal’s image resolution match to the
display’s native resolution.
• If the result of the
Default
function is not satisfactory, use
the
EDID 1.4
or
EDID 2.0
functions to manually adjust
the resolution.
The control panel
buttons do not work
Have you locked the control panel buttons? Refer to the
Keypad Lock
function (
See
Setting
menu on page 35
) to
unlock the buttons and try again.