Samsung NL22B Troubleshooting Guide, Checking the Resolution and Frequency, Check the following

Models: NL22B

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Chapter. 7

Troubleshooting Guide

Requirements Before Contacting Samsung Customer Service Center

Before calling Samsung Customer Service Center, test your product as follows.

If the problem persists, contact Samsung Customer Service Center.

Checking the Resolution and Frequency

When a mode exceeds the supported resolution (refer to “Preset Timing Modes”), the message “Not Optimum Mode” will appear briefly.

Check the following.

Screen issue

Troubleshooting

Solutions

 

 

The power LED is off.

Make sure that the power cable is connected.

The screen will not

 

switch on.

 

The screen is not clear.

Set the resolution and frequency to the recommended level.

The screen is blurry.

 

The screen is too bright.

Adjust the Brightness setting.

The screen is too dark.

 

Troubleshooting

Solutions

 

 

Screen color is

Adjust the COLOR settings.

inconsistent.

 

The colors on the screen

Adjust the COLOR settings.

have a shadow and are

 

distorted.

 

White does not really

Adjust the COLOR settings.

look white.

 

There is no image on the

The product is operating in power-saving mode.

screen and the power

Press any key on the keyboard or move the mouse to return

LED blinks every 0.5 to 1

second.

to normal operating mode.

Audio issues

 

 

 

Troubleshooting

Solutions

 

 

There is no sound.

Check that the source device connected to the product is

 

powered on.

The volume is too low.

Adjust the volume.

 

If the volume is still low after turning it up to the maximum

 

level, adjust the volume on your PC sound card or software

 

program.

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Samsung NL22B user manual Troubleshooting Guide, Checking the Resolution and Frequency, Check the following, Screen issue