The Screen Suddenly Has Become Unbalanced - Samsung SyncMaster 797MB Owner's Manual

The screen
suddenly has
become
unbalanced.
The screen is out of
focus or OSD
cannot be adjusted.
The screen is
partially distorted.
LED is blinking but
no im ages on the
screen.
The re are only 16
colors shown on the
screen. The screen
colors have
changed after
changing the video
card.
The re is a message
that reads
"Unrecognized
monitor, Plug & Play
(V ESA DDC) monitor
found".
Che ck the following items if there is trouble with the monitor.
1. Check if the power cord and the video cables are properly connected to the computer.
2. Check if the computer beeps more than 3 times when booting.
(If it does, request an after-service for the main board of the computer.)
3. If you installed a new video card or if you assembled the PC, check if the installed the adapter
(video) driver and the monitor driver.
4. Check if the scanning ratio of the video screen is set at 75Hz or 85Hz.
(Do not exceed 60Hz when using the maximum resolution.)
5. If you have problems in installing the adapter (video) driver, boot the computer in Safe Mode,
re move the Display Adapter at the "Control Panel, System, Device Administrator" and then
re boot the computer to reinstall the adapter (video) driver.
Tips for Highlight Zone
1. To protect CDT against the screen brightness, the Highlight Zone function persists for three
hours and then automatically stops. So please reset it to continue.
Have the screen colors become
stra nge 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
re solution 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
re solution or frequency on the
monitor?
Are there any magnetic
products such as an adapter,
speaker or a high voltage wire
near 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.
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 Timing
Adjust the resolution and frequency
of the video card.
(Refer to the Preset Timing
Enter the OSD and perform a
"Degauss".
Keep the monitor away from any
magnetic products.
Adjust the frequency properly by
re ferring to the video card manual
and the Preset Timing Modes.
(The maximum frequency per
re solution may differ from product to
product.)
For Windows ME/XP/2000:
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.
Modes).
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