Troubleshooting Guide; Requirements Before Contacting Samsung Customer Service Center; Testing The Product; Checking The Resolution And Frequency - Samsung SyncMaster C27A650X User Manual

9

Troubleshooting Guide

9.1 Requirements Before Contacting Samsung Customer
Service Center

9.1.1 Testing the Product

Before calling Samsung Customer Service Center, test your product as follows. If the problem persists,
contact Samsung Customer Service Center.
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 cable from the product.
3
Power on the product.
4
If the Check Signal Cable
If the screen remains blank, check the PC system, video controller and cable.

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 Not Optimum Mode.
message appears, the product is working normally.
will appear for a short time.
9 Troubleshooting Guide
99