Samsung SyncMaster 152X User Manual page 42

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".
Check the following items if there is trouble with the monitor.
1. Check if the power cord and the cable 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,
remove the Display Adapter at the "Control Panel, System, Device Administrator" and then
reboot the computer to reinstall the adapter (video) driver.
Note: If problems repeatedly occur,
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.
contact an authorized service
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/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.
center.
Modes).
Modes).