Samsung Syncmaster 940n Quick Start Guide

							Check List
Before calling for service, check the information in this section  to see if you can remedy any 
problems yourself. If yo u do need assistance, please call  the phone number on the 
Information section or con tact your dealer.
Symptom Check List Solutions
No images on the 
screen. I cannot turn 
on the monitor. Is the power cord 
connected properly?
Check the power 
cord connection 
and supply.
Can you see  Check 
Signal Cable  on the 
screen?  Check the signal cable connection.
If the power is on, reboot 
the computer to see the 
initial screen(the login 
screen), which can be 
seen.  If the initial screen (the login screen) 
appears, boot the computer in the 
applicable mode (the safe mode for 
Windows ME/XP/2000) and then 
change the fre
quency of the video 
card. 
(Refer to the  Preset Timing Modes )
Note: If the initial scree n (the login 
screen) does not appear,  contact 
the Service Center or your dealer .
Can you see  Not
Optimum 
Mode,Recommended 
Mode 1280 x 1024 60 Hz
on the screen?  You can see this 
message when the 
signal from the video card exceeds 
the maximum resolution and 
frequency that the  monitor can 
handle properly.  
Adjust the maximum resolution and 
frequency that the  monitor can 
handle properly. 
If the display exceeds SXGA or 75 
Hz, a  Not Optimum 
Mode,Recommended Mode 
1280 x 1024 60 Hz  message is 
displayed. If the display exceeds 85 
Hz, the display will  work properly but 
the  Not Optimum 
Mode,Recommended Mode 
1280 x 1024 60 Hz  message 
appears for one minute and then 
SyncMaster 740N / 540N / 940N
 
						

							disappears.  
Please change to the recommended 
mode during this one-minute period. 
(The message is displayed again if 
the system is rebooted.) 
There is no image on the 
screen.
Is the power indicator on 
the monitor blinking at 1 
second intervals?The monitor is in PowerSaver mode. 
press a key on the keyboard to 
activate the monitor and restore the 
image on the screen.
The screen shows 
strange colors or just 
black and white.Is the screen displaying 
only one color as if looking 
at the screen through a 
cellophane paper? Check the signal cable 
connection.Make sure the video 
card is fully inserted in its slot.
Have the screen colors 
become strange after 
running a program or due 
to a crash between 
applications?Reboot the computer.
Has the video card been 
set properly?Set the video card by referring to the 
video card manual. 
I cannot see the On 
Screen Display.Have you locked the On 
Screen Display (OSD) 
Menu to prevent changes?Unlock the OSD by pressing the 
MENU button for at least 5 seconds.
The screen suddenly 
has become 
unbalanced.Have you changed the 
video card or the driver?Adjust screen image position and 
size using the OSD.
Have you adjusted the 
resolution or frequency to 
the monitor?Adjust the resolution and frequency 
at the video card.  
(Refer to the Preset Timing Modes).
The screen can be unbalanced due to the cycle of the video card signals. 
Readjust Position by referring to the OSD.
The screen is out of 
focus or OSD cannot 
be adjusted.Have you adjusted the 
resolution or frequency on 
the monitor?Adjust the resolution and frequency 
of the video card.  
(Refer to the Preset Timing Modes).
LED is blinking but no 
images on the screen.Is the frequency properly 
adjusted when checking 
the Display Timing on the 
menu?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.) 
There are only 16 
colors shown on the 
screen.
The screen colors 
have changed after 
changing the video 
card.Have the Windows colors 
been set properly? Windows ME/2000/XP: 
Set the colors properly at the 
Control Panel 
ç Display ç
Settings.
Has the video card been 
set properly?Set the video card by referring to the 
video card manual. 
There is a message 
that reads 
Unrecognized 
monitor, Plug & Play 
(VESA DDC) monitor 
found. Have you installed the 
monitor driver?Install the monitor driver according 
to the Driver Installation Instructions.
See the video card 
manual to see if the Plug 
& Play (VESA DDC) 
function can be supported. Install the monitor driver according 
to the Driver Installation Instructions.
Check when 
MagicTune™ does not 
function properly. MagicTune™ feature is 
found only on PC (VGA) 
with Window OS that 
supports Plug and Play.* To check whether your PC is 
available for MagicTune™ feature, 
follow the  
  steps below (When Windows is 
XP);
 
						

							Control Panel -> Performance and 
Maintenance -> System -> 
Hardware -> Device Manager -> 
Monitors -> After deleting Plug and 
Play monitor, find Plug and Play 
monitor by searching new 
Hardware. 
MagicTune™ is an additional 
software for the monitor. Some 
graphic cards may not support your 
monitor. When you have a problem 
with the graphic card, visit our 
website to check the compatible 
graphic card list provided. 
http://www.samsung.com/monitor/magictune
MagicTune™ doesnt 
work properly.Have you changed your 
PC or video graphic card?Download the latest program. The 
program can be downloaded 
http://www.samsung.com/monitor/magictune.
 Visit the MagicTune™ website and download the installation software for MagicTune™ 
MAC. 
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 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
çSystemçDevice Administrator and then 
reboot the computer to reinstall the adapter (video) driver. 
 If problems repeatedly occur, contact an authorized service center.
Q & A
Question Answer
How can I change the 
frequency?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.) 
How can I adjust the resolution? Windows ME/XP/2000 : Set the resolution at the Control 
Panel
çDisplay
çSettings.
* Contact the video card manufacturer for details.
How can I set the Power Saving 
function?Windows ME/XP/2000 : Set the function at BIOS-SETUP of the 
computer or the screen saver. (Refer to Windows/Computer 
Manual).  
How can I clean the outer 
case/LCD Panel?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 remains of the detergent nor scratch the case. 
Do not allow any water to go inside the monitor. 
 
						

							Self-Test Feature Check
Self-Test Feature Check  |  Warning Messages  |  Environment  |  Useful Tips
Your monitor provides a self test feature that allows you to check whether your monitor is 
functioning properly.  
Self-Test Feature Check 
1. Turn off both your computer and the monitor.  
2. Unplug the video cable from the back of the computer.  
3. Turn on the monitor.  
If the monitor is functioning properly, you will see a box in the illustration below.  
This box appears during normal operation if the video cable becomes disconnected or 
damaged. 
4. Turn off your monitor and reconnect the video cable; then turn on both your computer and the 
monitor.  
If your monitor screen remains blank after using the previous procedure, check your video 
controller and computer system; your monitor is functioning properly. 
Warning Messages  
If there is something wrong with the input signal, a message appears on the screen or the 
screen goes blank although the power indicator LED is still on. The message may indicate 
that the monitor is out of scan range or that you need to check the signal cable. 
Environment  
The location and the position of the monitor may influence the quality and other 
features of the monitor. 
1. if there are any sub woofer speakers near the monitor, unplug and relocate the woofer 
to another room.  
2. Remove all electronic devices such as radios, fans, clocks and telephones that are 
within 3 feet (one meter) of the monitor.  
Useful Tips 
zA monitor recreates visual signals received from the computer. Therefore, if there is trouble with 
the computer or the video card, this can cause the monitor to become blank, have poor coloring, 
noise, Video mode not supported, etc. In this case, first check the source of the problem, and 
then contact the Service Center or your dealer.  
zJudging the monitors working condition 
If there is no image on the screen or a 
Not Optimum Mode,Recommended Mode 1280 x 
 
						

							1024 60 Hz message comes up, di
sconnect the cable from the  computer while the monitor is 
still powered on. 
{If there is a message coming up on the screen or if the screen goes white, this means the 
monitor is in working condition.  
{In this case, check the computer for trouble.  
 
						

							Check List
Before calling for service, check the information in this section  to see if you can remedy any 
problems yourself. If yo u do need assistance, please call  the phone number on the 
Information section or con tact your dealer.
Symptom Check List Solutions
No images on the 
screen. I cannot turn 
on the monitor. Is the power cord 
connected properly?
Check the power 
cord connection 
and supply.
Can you see  Check 
Signal Cable  on the 
screen?  (Connected using the DVI-A to D-
SUB cable)
Check the DVI-A to DVI-A to D-
SUB cable connection. 
(Connected using the DVI cable)
If you still see an error message on 
the screen when the monitor is 
connected properly, check to see if 
the monitor status 
is set to analog.  
Press   button to have the monitor 
double-check the input signal 
source.
If the power is on, reboot 
the computer to see the 
initial screen(the login 
screen), which can be 
seen.  If the initial screen (the login screen) 
appears, boot the computer in the 
applicable mode (the safe mode for 
Windows ME/XP/2000) and then 
change the fre
quency of the video 
card. 
(Refer to the  Preset Timing Modes )
Note: If the initial scree n (the login 
screen) does not appear,  contact 
the Service Center or your dealer .
Can you see  Not
Optimum 
Mode,Recommended 
Mode 1280 x 1024 60 Hz
on the screen?  You can see this 
message when the 
signal from the video card exceeds 
the maximum resolution and 
frequency that the  monitor can 
handle properly.  
Adjust the maximum resolution and 
frequency that the  monitor can 
handle properly.  
If the display exceeds SXGA or 75 
SyncMaster 940Fn
 
						

							Hz, a 
Not Optimum 
Mode,Recommended Mode 
1280 x 1024 60 Hz message is 
displayed. If the display exceeds 85 
Hz, the display will work properly but 
the 
Not Optimum 
Mode,Recommended Mode 
1280 x 1024 60 Hz 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.) 
There is no image on the 
screen.
Is the power indicator on 
the monitor blinking at 1 
second intervals?The monitor is in PowerSaver mode. 
press a key on the keyboard to 
activate the monitor and restore the 
image on the screen.  
If there is still no image, 
press the   button.  
Then press any key on the keyboard 
again to activate the monitor and 
restore the image on the screen.
Connected using the DVI 
cable?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.
I cannot see the On 
Screen Display.Have you locked the On 
Screen Display (OSD) 
Menu to prevent changes?Unlock the OSD by pressing the 
MENU button for at least 5 seconds.
The screen shows 
strange colors or just 
black and white.Is the screen displaying 
only one color as if looking 
at the screen through a 
cellophane paper? Check the signal cable 
connection.Make sure the video 
card is fully inserted in its slot.
Have the screen colors 
become strange after 
running a program or due 
to a crash between 
applications?Reboot the computer.
Has the video card been 
set properly?Set the video card by referring to the 
video card manual. 
The screen suddenly 
has become 
unbalanced.Have you changed the 
video card or the driver?Adjust screen image position and 
size using the OSD.
Have you adjusted the 
resolution or frequency to 
the monitor?Adjust the resolution and frequency 
at the video card.  
(Refer to the Preset Timing Modes).
The screen can be unbalanced due to the cycle of the video card signals. 
Readjust Position by referring to the OSD.
The screen is out of 
focus or OSD cannot 
be adjusted.Have you adjusted the 
resolution or frequency on 
the monitor?Adjust the resolution and frequency 
of the video card.  
(Refer to the Preset Timing Modes).
LED is blinking but no 
images on the screen.Is the frequency properly 
adjusted when checking 
the Display Timing on the 
menu?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.) 
There are only 16 
colors shown on the 
screen.
The screen colors 
have changed after 
changing the video 
card.Have the Windows colors 
been set properly? Windows ME/2000/XP: 
Set the colors properly at the 
Control Panel 
ç Display ç
Settings.
Has the video card been 
set properly?Set the video card by referring to the 
video card manual. 
There is a message 
that reads 
Unrecognized 
monitor, Plug & Play 
(VESA DDC) monitor 
found. Have you installed the 
monitor driver?Install the monitor driver according 
to the Driver Installation Instructions.
See the video card 
manual to see if the Plug 
& Play (VESA DDC) 
function can be supported. Install the monitor driver according 
to the Driver Installation Instructions.
Check when 
MagicTune™ does not 
function properly. MagicTune™ feature is 
found only on PC (VGA) 
with Window OS that 
supports Plug and Play.* To check whether your PC is 
available for MagicTune™ feature, 
follow the  
  steps below (When Windows is 
XP);
Control Panel -> Performance and 
Maintenance -> System -> 
Hardware -> Device Manager -> 
Monitors -> After deleting Plug and 
Play monitor, find Plug and Play 
monitor by searching new 
Hardware. 
MagicTune™ is an additional 
software for the monitor. Some 
graphic cards may not support your 
monitor. When you have a problem 
with the graphic card, visit our 
website to check the compatible 
graphic card list provided. 
http://www.samsung.com/monitor/magictune
MagicTune™ doesnt 
work properly.Have you changed your 
PC or video graphic card?Download the latest program. The 
program can be downloaded 
http://www.samsung.com/monitor/magictune.
 Visit the MagicTune™ website and download the installation software for MagicTune™ 
MAC. 
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 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
çSystemçDevice Administrator and then 
reboot the computer to reinstall the adapter (video) driver.  
 If problems repeatedly occur, contact an authorized service center.
 
						

							Q & A
Question Answer
How can I change the 
frequency? 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.) 
How can I adjust the resolution? W indows ME/XP/2000 : Set the resolution at the Control 
Panel çDisplay
çSettings.
* Contact the video card  manufacturer for details.
How can I set the Power Saving 
function? Windows ME/XP/2000 : Set 
the function at BIOS-SETUP of the 
computer or the screen saver. (Re fer to Windows/Computer 
Manual).  
How can I clean the outer 
case/LCD Panel? 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 remains of the  detergent nor scratch the case. 
Do not allow any water to go inside the monitor. 
Self-Test Feature Check
Self-Test Feature Check   |  Warning Messages  |Environment  |Useful Tips
Your monitor provides a self test feature that  allows you to check whether your monitor is 
functioning properly.  
Self-Test Feature Check 
1. Turn off both your comp uter and the monitor.  
2. Unplug the video cable from the back of the computer.  
3. Turn on the monitor.   If the monitor is functioning pr operly, you will see a box in the illustration below.  
This box appears during normal operation if the video cable becomes disconnected or 
damaged. 
4. Turn off your monitor an d reconnect the video cable; then turn on both your computer and the 
monitor.  
If your monitor screen remains blank after using the  previous procedure, check your video 
controller and computer system; your monitor is functioning properly. 
Warning Messages  
If there is something wrong with the input signal, a message appears on the screen or the 
screen goes blank although the power indicator LED is still on. The message may indicate 
that the monitor is out of scan range or that you need to check the signal cable. 
 
						

							Environment  
The location and the position of the monitor may influence the quality and other 
features of the monitor. 
1. if there are any sub woofer speakers near the monitor, unplug and relocate the woofer 
to another room.  
2. Remove all electronic devices such as radios, fans, clocks and telephones that are 
within 3 feet (one meter) of the monitor. 
Useful Tips 
zA monitor recreates visual signals received from the computer. Therefore, if there is trouble with 
the computer or the video card, this can cause the monitor to become blank, have poor coloring, 
noise, Video mode not supported, etc. In this case, first check the source of the problem, and 
then contact the Service Center or your dealer.  
zJudging the monitors working condition 
If there is no image on the screen or a 
Not Optimum Mode,Recommended Mode 1280 x 
1024 60 Hz message comes up, disconnect the cable from the computer while the monitor is 
still powered on. 
{If there is a message coming up on the screen or if the screen goes white, this means the 
monitor is in working condition.  
{In this case, check the computer for trouble.