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5-1 Troubleshooting
5 Troubleshooting
5-1 Monitor Self-Diagnosis
• You can check if the product is working properly using the Self-Diagnosis function.
• If a blank screen is displayed and the Power LED blinks even if the product and the PC are properly connected, perform
the self-diagnosis function according to the procedures below.
1. Turn the product and the PC off.
2. Separate the D-Sub cable from the product .
3. Turn the product on.
4. If the product is working properly, the 'Check Signal Cable' message appears.
In this case, if a blank screen is displayed again, make sure that there is no problem with the PC and the connection. The
product is working properly.