Samsung SyncMaster C24A650X User Manual page 99

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9.1 Requirements Before Contacting Samsung Customer
Service Center
9.1.1 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.
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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
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Troubleshooting Guide
Before calling Samsung Customer Service Center, test your product as follows. If the problem persists,
contact Samsung Customer Service Center.
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.
Not Optimum Mode.
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9 Troubleshooting Guide
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