speaker or a high voltage wire near by?

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?

Have the screen colors become strange after running a program or due to a crash between applications?

Check the signal cable connection.Make sure the video card is fully inserted in it's slot.

Reboot the computer.

The screen suddenly has become unbalanced.

Has the video card been set properly?

Have you changed the video card or the driver?

Have you adjusted the resolution or frequency on the monitor?

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 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.

The screen is partially distorted.

Have you adjusted the resolution or frequency on the monitor?

Are there any magnetic products such as an adapter, speaker or a high voltage wire near the monitor?

Adjust the resolution and frequency of the video card.

(Refer to the Preset Timing Modes).

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

Adjust the frequency properly by

adjusted when checking the

referring to the video card manual

Display Timing on the menu?

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.

There is a message that reads "Unrecognized monitor, Plug & Play (VESA DDC) monitor found".

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.

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 Instructions.

Install the monitor driver according to the Driver Installation Instructions.

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.

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Samsung SAMTRON 78E, SAMTRON 78BDF, SAMTRON 591S, SAMTRON 58V manual Preset Timing Modes, Control Panel → Display → Settings