Troubleshooting guide, Testing the product, Checking the resolution and frequency – Samsung UHD Signage Player Box User Manual
Page 66: Requirements before contacting samsung, Customer service centre, Chapter 11
66
Troubleshooting Guide
"
Before calling Samsung Customer
Service Centre, test your product
as follows. If the problem persists,
contact Samsung Customer Service
Centre.
Requirements Before Contacting Samsung Customer Service Centre
Testing the Product
Check if your product is operating normally by using the product test function.
If the screen remains blank while the power indicator blinks even when the product is correctly connected to a PC, perform product testing.
1
Power off both the PC and product.
2
Disconnect all the cables from the product.
3
Power on the product.
4
If
No Signal
is displayed, the product is operating normally.
If the screen remains blank, check the PC system, video controller and cable.
Checking the Resolution and Frequency
For modes that exceed the supported resolutions, the message "
Not Optimum Mode
" appears briefly.
Set the PC resolution by referring to
Chapter 11