9Troubleshooting Guide

9.1.3 Check the followings.

Installation issue (PC mode)

The screen keeps switching on and off.

Check the cable connection between the product

 

and PC, and ensure the connection is secure.

 

(Refer to "3.2 Connecting and Using a PC")

 

 

Blank spaces are found on all four sides of the

The blank spaces found on the screen have

screen when an HDMI or HDMI-DVI cable is

nothing to do with the monitor.

connected to the monitor and PC.

Blank spaces on the screen are caused by the PC

 

 

or graphics card. To resolve the problem, adjust

 

the screen size in the HDMI or DVI settings for the

 

graphics card. If the graphics card settings menu

 

does not have an option to adjust the screen size,

 

update the graphics card driver to the latest

 

version.

 

(Please contact the graphics card or computer

 

manufacturer for further details about how to

 

adjust the screen settings.)

 

 

 

 

Screen issue

 

 

The power LED is off. The screen will not switch

Check that the power cable is connected

on.

correctly (Refer to "3.2 Connecting and Using a

 

PC")

 

 

The message Check Signal Cable appears.

Check that the cable is properly connected to the

 

product. (Refer to "3.2 Connecting and Using a

 

PC")

 

 

 

Check that the device connected to the product is

 

powered on.

 

 

"Not Optimum Mode" is displayed.

This message appears if the signal from the

 

graphics card exceeds the maximum resolution or

 

frequency for the product.

 

 

 

Change the maximum resolution and frequency to

 

suit the product performance, referring to

 

Standard Signal Mode Table (106page).

 

 

The images on the screen look distorted.

Check the cable connection to the product (Refer

 

to "3.2 Connecting and Using a PC")

 

 

The screen is not clear. The screen is blurry.

Adjust Coarse(63page) and Fine(64page).

 

 

 

Remove any accessories (video extension cable,

 

etc) and try again.

 

 

 

Set the resolution and frequency to the

 

recommended level. (Refer to "10.1 General")

 

 

9 Troubleshooting Guide 100

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Samsung C24A650X, C27A650X, C24A650U, C27A650U user manual Check the followings, Installation issue PC mode

C27A650X, C24A650X, C24A650U, C27A650U specifications

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