Samsung QBH Series

138
Troubleshooting Guide
– Before calling Samsung Customer
Service Center, test your product

contact Samsung Customer Service
Center.
Requirements Before Contacting Samsung Customer Service Center
Testing the Product


1

2

3
Power on the product.
4
If No Signal is displayed, the product is operating normally.
Checking the Resolution and Frequency
Not Optimum Mode
(refer to Supported Resolutions).
– 
the PC system, video controller and

Chapter 13