Samsung S34E790C User Manual - Page 74

Troubleshooting Guide

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Chapter 10 Troubleshooting Guide 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. If the screen remains blank, check the PC system, video controller and cable. 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. Checking the Resolution and Frequency For a mode that exceeds the supported resolution(refer to Standard Signal Mode Table), the message Not Optimum Mode will appear for a short time. ――The displayed resolution may vary depending on the product or PC system settings. 74

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74
Troubleshooting Guide
Chapter
10
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.
Checking the Resolution and Frequency
For a mode that exceeds the supported resolution(refer to
Standard Signal Mode Table
), the message
Not Optimum Mode
will appear for a short time.
―
The displayed resolution may vary depending on the product or PC system settings.
If the screen remains blank, check the PC
system, video controller and cable.