Computer Monitor TV and HDMI
Sound
Symptoms
Possible causes
Possible solutions
No sound
HDMI input is being fed through a
conversion connector from
equipment with a DVI output.
Connect sound output from the DVI
equipment to an external amplifier.
Picture
Symptoms
Possible causes
Possible solutions
No picture.
On-screen message indicates video
input is not compatible.
Settings for the digital video
equipment feeding the TV do not
match the TV input requirements.
Change the refresh rate or resolution
settings of the computer graphics adaptor
or other digital equipment.
Computer feeding the TV does not
offer you suitable settings to match
the TV requirements.
Computer has not exchanged
information with the television.
In older computers, the graphics
adaptor might be obsolete.
Re-start the computer while the television
is still connected to the power supply, then
try again.
In exceptional cases, you may need to go
into the computer graphics adaptor settings
and clear the check box for Show only
settings this monitor can support. For
Microsoft Windows this can be found by
right-clicking on the Desktop and
following Properties - Display
Properties - Settings - dvanced tab
Monitor tab. The availability of this
function and the method of adjustment
varies with computer operating system.
Upgrade your graphics adaptor.
Picture is not clear.
Picture is in the wrong position.
Television needs to be set up for
the computer analogue RGB input
(also known as VGA - or -
sub).
Some input resolutions produce a
clearer picture than others.
For computer analogue RGB input (also
known as VGA-or D-sub-, activate the
automatic set-up function. The phase,
frequency, vertical and horizontal position
controls might also need slight adjustment.
Check information in the computer
monitor section of these instructions and
try a different resolution setting.
TV Troubleshooter
Picture looks squashed or stretched.
Equipment feeding the TV is set to
the wrong aspect ratio.
For a TV with a computer monitor
function fed from the computer analogue
RGB connector (also known as VGA?or
D-sub?, set up the computer graphics
adaptor resolution to
have the same aspect
ratio as the TV screen. (Aspect ratio means
the ratio of width to height, which in this
case is measured in pixels.)
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