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Chapter. 11 troubleshooting guide, Testing the product, Checking the resolution and frequency – Samsung LC24B750XS-ZA User Manual

Page 72: Check the following, Troubleshooting guide, Chapter. 11

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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
switching on and off.

Check that the cables are properly connected between the
product and PC and that the connectors are firmly locked.

Screen issue

TROUBLESHOOTING

SOLUTIONS

The power LED is off.
The screen will not
switch on.

Make sure that the power cable is connected.

The message "

Check

Signal Cable

" appears.

Check that the cable is properly connected to the product.

Check that the device connected to the product is powered on.

Troubleshooting Guide

Chapter. 11