Chapter 3: Technical Information
3-7
Troubleshooting
This
LCD
Monitor
has
pre
‐
adjusted
using
factory
standard
VGA
timings.
Due
to
the
output
timing
differences
among
various
VGA
cards
in
the
market,
users
may
initially
experience
an
unstable
or
unclear
display
whenever
a
new
display
mode
or
new
VGA
card
is
selected.
Attention:
This
LCD
Monitor
Supports
Multiple
VGA
Modes.
Refer
to
the
Standard
Timing
Table
for
a
listing
of
modes
supported
by
this
LCD
Monitor.
Problem:
Picture
is
unclear
and
unstable
The
picture
is
unclear
and
unstable,
please
perform
the
following
steps:
1.
Enter
PC
to
“Shut
Down
Windows”
status
while
you’re
in
MS
‐
Windows
environment.
2.
Check
the
screen
to
see
if
there’s
any
black
vertical
stripes
appear.
If
there
are,
take
advantage
of
the
“Clock”
function
in
OSD
menu
and
adjust
(by
increment
or
decrement
numbers)
until
those
bars
disappear.
3.
Move
to
“Phase”
function
in
OSD
menu
again
and
adjust
the
monitor
screen
to
its
most
clear
display.
4.
Click
“No”
on
“Shut
Down
Windows”
and
back
to
the
normal
PC
operating
environment.
PROBLEM
:
There
is
no
picture
on
LCD
Monitor
If
there’s
no
picture
on
the
LCD
Monitor,
please
perform
the
following
steps:
1.
Make
sure
the
power
indicator
on
the
LCD
Monitor
is
ON,
all
connections
are
secured,
and
the
system
is
running
on
the
correct
timing.
Refer
to
Chapter
3
for
information
on
timing.