Check The Following Items If There Is Trouble With The Monitor; Self-Test Feature Check - Samsung SyncMaster 723N User Manual

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 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 a 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 75 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,
Q & A
Question
How can I change the
frequency?
How can I adjust the resolution?
How can I set the Power Saving
function?
How can I clean the outer
case/LCD Panel?

Self-Test Feature Check

Self-Test Feature Check
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
The frequency can be changed by reconfiguring the video card.
Note that video card support can vary, depending on the version
of the driver used. (Refer to the computer or the video card
manual for details.)
Windows ME/XP/2000 : Set the resolution at the Control
Panel→Display→Settings.
* Contact the video card manufacturer for details.
Windows ME/XP/2000 : Set the function at BIOS-SETUP of the
computer or the screen saver. (Refer to Windows/Computer
Manual).
Disconnect the power cord and then clean the monitor with a soft
cloth, using either a cleaning solution or plain water.
Do not leave any detergent or scratches on the case. Do not let
any water enter the monitor.
| Warning Messages |
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
center.
Answer
Environment | Useful Tips
Instructions.
Instructions.