Samsung SyncMaster 959NF User Manual page 63

Troubleshooting
Check List
Symptom
The image on the screen is
shaking.
The screen shows strange
colors or just black and
white.
The screen suddenly has
become unbalanced.
The screen is out of focus
or OSD cannot be
adjusted.
Check List
Check the monitor configuration to
see if it is in Interlace Mode.
(Interlace Mode: Vertical frequency
43Hz, 87Hz(i), etc)
Are there any magnetic products
such as a power adapter, speaker
or a high voltage wire near by?
Is the voltage stable?
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.
Is the screen displaying only one
color as if looking at the screen
through a cellophane paper?
Have the screen colors become
strange after running a program or
due to a crash between
applications?
Has the video card been set
properly?
Have you changed the video card
or the driver?
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?
User's Manual
Solutions
The signal from the video card
exceeds the maximum resolution
and frequency of the monitor.
Move the monitor away from
anything that can create a strong
magnetic field.
The screen image can appear to
shake or vibrate at a particular time
of day due to low supply voltage.
Check the signal cable connection.
Make sure the video card is fully
inserted in it's slot.
Reboot the computer.
Set the video card by referring to
the video card manual.
Adjust screen image position and
size using the OSD.
Adjust the resolution and frequency
at the video card.
(Refer to the Preset Display
Modes).
Adjust the resolution and frequency
of the video card.
(Refer to the Preset Display
Modes).
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