Samsung 78bdf 78df 98pdf 用户指南

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Check List
Symptom
Check List
Solutions
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 Display Modes).
The screen is partially 
distorted.
Are there any magnetic 
products such as an adapter, 
speaker or a high voltage 
wire near the monitor?
Enter the OSD and perform a 
"Degauss". 
Keep the monitor away from any 
magnetic products.
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 Display 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? 
For Windows XP/2000: 
Set the colors properly at the Control 
Panel
DisplaySettings
Has the video card been set 
properly?
Set the video card by referring to the 
video card manual. 
 
Check the following items if there is trouble with the monitor. 
 
1. Check if the power cord and the cable 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 75Hz or 85Hz.  
(Do not exceed 60Hz 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 PanelSystemDevice Administrator" and then 
reboot the computer to reinstall the adapter (video) driver. 
Note:  If problems repeatedly occur, 
contact an authorized service center