Samsung SyncMaster 2220LM User Manual page 44

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".
Problems related to
Audio
Check 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 56 Hz ~ 75 Hz.
(Do not exceed 60 Hz 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.
If problems repeatedly occur,
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.
No sound
Sound level is too low.
contact an authorized service
(Refer to the Preset Timing
Adjust the frequency properly by
referring to the video card manual
and the Preset Timing
(The maximum frequency per
resolution may differ from product to
product.)
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
Install the monitor driver according
to the Driver Installation
Ensure that the audio cable is firmly
connected to both the audio-in port
on your monitor and the audio-out
port on your sound card.
(Refer to Connecting the
Check the volume level.
Check the volume level.
If the volume is still too low after
turning the control to its maximum,
check the volume control on the
computer sound card or software
program.
center.
Modes).
Modes.
Instructions.
Instructions.
Monitor)