5-2 Before Requesting Service

Please check the following before requesting After-Sales service. If the problem continues, please contact your nearest Samsung Electronics Service Center.

A BLANK SCREEN APPEARS / I CANNOT TURN THE PRODUCT ON

Is the power cord connected properly?

Check the connection status of the power cord.

 

 

 

Is the “Check Signal Cable”

message displayed on the screen?

Check the cable connecting the PC and the product.

 

 

If the message keeps appearing even though the cable connection

 

 

is correct, press [

SOURCE] on the multi control pad and check

 

 

the input signal again.

 

 

 

Is the “Not Optimum Mode”

message displayed on the screen?

This occurs when the signal from the graphics card exceeds the

 

 

maximum resolution or the maximum frequency of the product.

 

 

In this case, set up the appropriate resolution and the frequency for

 

 

the product.

 

 

 

Is a blank screen displayed and does the power LED blink at a 1

This occurs when the power saving function is running.

second interval?

 

If you click the mouse or press any key, the screen will be turned

 

 

 

 

on.

 

 

 

Did you connect with a DVI cable?

If you connect the DVI cable when the PC has booted up or if you

 

 

reconnect the DVI cable after disconnecting the cable while using

 

 

a PC, the screen may not be displayed because some graphics

 

 

cards do not output the video signal.

 

 

In this case, reboot the PC while the DVI cable is connected.

 

 

 

 

THE IMAGE IS TOO LIGHT OR TOO DARK.

Adjust the Brightness and Contrast. (Refer to the <Brightness>, <Contrast>)

If <MagicBright> is set to <Dynamic Contrast>, the display brightness can differ according to the input signal.

THE ON SCREEN ADJUSTMENT MENU (OSD) DOES NOT APPEAR.

Did you cancel the screen adjustment?

Check if the OSD Adjustment Lock function is set to Off.

THE COLOR IS WEIRD / THE PICTURE IS DISPLAYED IN BLACK AND WHITE.

Is the entire screen displayed in the same color as if viewing the

Check the cable connection to the computer.

screen through a cellophane paper?

Reinsert the graphics card into the computer completely.

 

 

Check if the <Color Effect> is set to <Off>.

 

 

Is the graphics card configured correctly?

Set up the graphics card referring to the user manual.

 

 

THE DISPLAY AREA SUDDENLY MOVES TO AN EDGE OR TO THE CENTER.

 

 

Did you change the graphics card or the driver?

Please press the [AUTO] button to run the auto adjustment

 

function.

 

 

Did you change the resolution and frequency appropriate to the

Set the resolution and the frequency to the appropriate values in

product?

the graphics card

 

refer to the (Standard Signal Mode Table)

 

 

Is the graphics card configured correctly?

Set up the graphics card referring to the user manual.

 

 

THE PICTURES ARE OUT-OF-FOCUS.

Did you change the resolution and the frequency appropriate to the product?

Set the resolution and the frequency to the appropriate values in the graphics card

refer to the (Standard Signal Mode Table)

5-2

Troubleshooting

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Samsung LS23MUQHB/ZR, LS23MUPNB/EN, LS23MURHB/XJ, LS23MUQHB/XJ, LS23MUPNB/XJ, LS23MUQHB/EN manual Before Requesting Service
Page 33 Page 35

LS23MURHB/CI, LS23MURHB/XJ, LS23MUQHB/XJ, LS23MUQHB/CI, LS23MUQHBSEN specifications

The Samsung LS23MUPNB/EN, LS23MURHB/EN, and LS23MUQHB/EN are part of Samsung's state-of-the-art monitor lineup, designed to deliver superior performance and stunning visuals for both professional and personal use. These models feature a 23-inch display with Full HD resolution, providing users with vibrant colors and sharp details.

One of the standout features of these monitors is their commitment to HDR technology, which enhances the brightness and contrast of images, making them appear more realistic. This ensures that whether you're watching movies, playing games, or working on graphic design, you experience visuals that capture every detail.

The LS23 series utilizes advanced IPS panel technology, offering wide viewing angles of 178 degrees both horizontally and vertically. This ensures that the colors remain consistent regardless of the position from which you're viewing the screen, making it an excellent choice for collaborative projects or multi-user setups.

In terms of connectivity, these monitors are equipped with multiple ports, including HDMI and DisplayPort, allowing for seamless connectivity with a variety of devices. This versatility makes the LS23 series ideal for both home and office environments, catering to users with different needs.

Samsung’s innovative Eye Saver Mode and Flicker-Free technology contribute to a more comfortable viewing experience by reducing eye strain during prolonged use. This is particularly beneficial for professionals who spend long hours in front of the screen, as it helps promote better eye health.

Moreover, the sleek and modern design of the LS23 monitors complements any workspace or entertainment area. With slim bezels and an adjustable stand, users can easily customize their viewing experience for optimal comfort.

Additionally, the monitors support various gaming technologies, such as AMD FreeSync, which helps eliminate screen tearing and stuttering, providing a smoother gaming experience. This makes the LS23 series not only a great option for productivity but also for gamers looking for high-quality performance.

In summary, the Samsung LS23MUPNB/EN, LS23MURHB/EN, and LS23MUQHB/EN monitor series are equipped with advanced technologies and features that make them suitable for a wide range of applications, whether for work, entertainment, or gaming. With a focus on visual excellence and user comfort, these monitors stand out in the competitive market.
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