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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
For a mode that exceeds the supported resolution (refer to “Preset Timing Modes”), the
message Not Optimum Mode will appear repeatedly.
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 rmly 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