Samsung SyncMaster 720T User Manual page 73

I cannot see the On
Screen Display.
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.
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There is no image on the screen.
Is the power indicator on the monitor
blinking at 1 second intervals?
Is the monitor connected using the
DVI cable?
Have you locked the On Screen
Display (OSD) Menu to prevent
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 on 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?
display will work properly but the
"Not Optimum Mode",
"Recommended mode : 1280 x
1024 60Hz" message appears for
one minute and then disappears.
Please change to the recommended
mode during this one-minute period.
(The message is displayed again if
the system is rebooted.)
The monitor is in PowerSaver mode.
Press any key on the keyboard to
activate the monitor and restore the
image on the screen.
If there is still no image, press the
'Source' button.
Then press any key on the keyboard
again to activate the monitor and
restore the image on the screen.
You may get a blank screen if you
boot the system before you connect
the DVI cable, or disconnect and
then reconnect the DVI cable while
the system is running as certain
types of graphic cards do not send
out video signals.
Connect the DVI cable and then
reboot the system.
Unlock the OSD by pressing the
MENU button for at least 5 seconds.
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
of the video card.
(Refer to the Preset Timing
Adjust the resolution and frequency
of the video card.
(Refer to the Preset Timing
Adjust the frequency properly by
referring to the video card manual
and the Preset Timing Modes.
(The maximum frequency per
resolution may differ from product to
product.)
Windows ME/2000/XP:
Set the colors properly at the
Control Panel → Display →
Modes).
Modes).