Samsung LC24B550US/EN Testing the Product, Checking the Resolution and Frequency, Screen issue

Chapter. 11

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.

Testing the Product

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.

1.Power off both the PC and product.

2.Disconnect the cables from the product.

3.Power on the product.

4.If the message "Check Signal Cable" appears, the product is working normally.

NOTE

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

Checking the Resolution and Frequency

When a mode exceeds the supported resolution (refer to “Standard Signal Mode Table”), the message "Not Optimum Mode" will appear briefly.

Check the following.

Installation issue (PC mode)

TROUBLESHOOTING	SOLUTIONS
The screen keeps	Check that the cables are properly connected between the
switching on and off.	product and PC and that the connectors are firmly locked.

Screen issue

TROUBLESHOOTING	SOLUTIONS
The power LED is off.	Make sure that the power cable is connected.
The screen will not
switch on.
The message "Check	Check that the cable is properly connected to the product.
Signal Cable" appears.	Check that the device connected to the product is powered on.

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