Samsung 191T User Manual (user Manual) (ver.1.0) (English) - Page 33

Symptom, Check List, Solutions - video mode not supported

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Check List Q & A Self-Test Feature Check Before calling for service, check the information in this section to see if you can remedy any problems yourself. If you do need assistance, please call the phone number on the warranty card, the phone number on the Information section or contact your dealer. Symptom Check List Solutions No images on the screen. I cannot turn on the monitor. Is the power cord connected properly? Can you see "No Connection, Check Signal Cable" on the screen? Check the power cord connection and supply. 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 98/95) and then change the frequency of the video card. (Refer to the Preset Display Modes) Note: If the initial screen (the login screen) does not appear, contact a service center or your dealer. Can you see "Video mode not supported" 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 properly handle. Adjust the maximum resolution and frequency that the monitor can properly handle. 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 or move the mouse to activate the monitor and restore the image on the screen. 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 image on the screen is shaking. Check the monitor configuration to see if it is in Interlace Mode. (Interlace Mode: Vertical frequency 43Hz, 87Hz(i), etc) The signal from the video card exceeds the maximum resolution and frequency of the monitor. Are there any magnetic products such as a power adapter, speaker or a high voltage wire near by? Move the monitor away from anything that can create a strong magnetic field. Is the voltage stable? The screen image can appear to shake or vibrate at a particular time of day due to low supply voltage. The screen image can also appear to shake or vibrate if there is a problem with the video card or the computer's main board. 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 it's slot. Have the screen colors become Reboot the computer.

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Check List
Q & A
Self-Test Feature
Check
Before calling for service, check the information in this section to see if you can remedy any
problems yourself. If you do need assistance, please call the phone number on the warranty
card,
the phone number on the Information section or contact 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 "
No Connection,
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 98/95) and then change the
frequency of the video card.
(Refer to the
Preset Display Modes
)
Note: If the initial screen (the login
screen) does not appear,
contact a
service center or your dealer
.
Can you see "
Video mode not
supported
" 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
properly handle.
Adjust the maximum resolution and
frequency that the monitor can
properly handle.
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 or move
the mouse to activate the monitor
and restore the image on the screen.
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 image on the
screen is shaking.
Check the monitor configuration
to see if it is in Interlace Mode.
(Interlace Mode: Vertical
frequency 43Hz, 87Hz(i), etc)
The signal from the video card
exceeds the maximum resolution and
frequency of the monitor.
Are there any magnetic
products such as a power
adapter, speaker or a high
voltage wire near by?
Move the monitor away from
anything that can create a strong
magnetic field.
Is the voltage stable?
The screen image can appear to
shake or vibrate at a particular time
of day due to low supply voltage.
The screen image can also appear to shake or vibrate if there is a
problem with the video card or the computer's main board.
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 it's slot.
Have the screen colors become
Reboot the computer.