Samsung SyncMaster 243T Owner's Manual page 39

Troubleshooting
Check List
The screen shows
strange colors or just
black and white.
The screen suddenly
has become
unbalanced.
The screen is out of
focus or OSD cannot
be adjusted.
LED is blinking but
no images on the
screen.
There are only 16
colors shown on the
screen. The screen
colors have changed
after changing the
video card.
There is a message
that reads
"Unrecognized
monitor, Plug & Play
(VESA DDC) monitor
found".
changes?
Is the screen displaying only one
color as if looking at the screen
through a cellophane paper?
Have the screen colors become
strange after running a program
or due to a crash between
applications?
Has the video card been set
properly?
Have you changed the video card
or the driver?
Have you adjusted the resolution
or frequency to the monitor?
The screen can be unbalanced due to the cycle of the video card
signals. Readjust Position by referring to the OSD.
Have you adjusted the resolution
or frequency on the monitor?
Is the frequency properly
adjusted when checking the
Display Timing on the menu?
Have the Windows colors been
set properly?
Has the video card been set
properly?
Have you installed the monitor
driver?
See the video card manual to see
if the Plug & Play (VESA DDC)
function can be supported.
Check the signal cable connection.
Make sure the video card is fully
inserted in it's slot.
Reboot the computer.
Set the video card by referring to the
video card manual.
Adjust screen image position and size
using the OSD.
Adjust the resolution and frequency at
the video card.
(Refer to the Preset Display
Adjust the resolution and frequency of
the video card.
(Refer to the Preset Display
Adjust the frequency properly by
referring to the video card manual and
the Preset Display Modes.
(The maximum frequency per
resolution may differ from product to
product.)
For Windows ME/2000/XP:
Set the colors properly at the Control
Panel, Display, Settings.
Set the video card by referring to the
video card manual.
Install the monitor driver according to
the Driver Installation Instructions.
Install the monitor driver according to
the Driver Installation Instructions.
User's Manual
Modes).
Modes).