Requirements Before Contacting Samsung Customer Service Centre
Check the followings.
" Before calling Samsung Customer
Service Centre, test your product
as follows. If the problem persists,
contact Samsung Customer Service
Installation issue (PC mode)
The screen keeps switching on and off.
Blank spaces are found on all four sides of the screen when
an HDMI or HDMI-DVI cable is connected to the product
Check that the cable between the product and the PC is connected correctly.
The blank spaces found on the screen have nothing to do with the product.
Blank spaces on the screen are caused by the PC or graphics card. To resolve the problem,
adjust the screen size in the HDMI or DVI settings for the graphics card.
If the graphics card settings menu does not have an option to adjust the screen size, update
the graphics card driver to the latest version.
(Please contact the graphics card or computer manufacturer for further details about how to
adjust the screen settings.)