Samsung s23a750 Mode D'Emploi

9 Troubleshooting Guide

9 

Troubleshooting Guide

9.1

Requirements Before Contacting Samsung Customer 
Service Center

9.1.1

Testing the Product

 

Before calling Samsung Customer Service Center, test your product as follows. If the problem persists, 

contact Samsung Customer Service Center.

 

Check if your product is operating normally by using the product test function.

If the screen is turned off and the power indicator blinks even though the product is properly connected 

to a PC, perform a self-diagnosis test.

Power off both the PC and product.

Disconnect the cable from the product.

Power on the product.

If the 

Check Signal Cable

 message appears, the product is working normally.

 

If the screen remains blank, check the PC system, video controller and cable.

 

9.1.2

Checking the Resolution and Frequency

For a mode that exceeds the supported resolution (refer to "10.3 Standard Signal Mode Table"), the 

message 

Not Optimum Mode.

 will appear for a short time.

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 "3.3 Connecting and Using a PC")

Screen issue

The power LED is off. The screen will not switch 

on.

Check that the power cable is connected 

correctly (Refer to "3.3 Connecting and Using a 

The message 

Check Signal Cable

 appears. 

Check that the cable is properly connected to the 

product. (Refer to "3.3 Connecting and Using a 

Check that the device connected to the product is 

powered on.