ASUS EAH6450 Silent/DI/1GD3(LP) Radeon HD 6450 1GB 64-bit DDR3 PCI Express 2.1 x16 HDCP Ready Low Profile Ready Video Card - Newegg.com
if the graphics card is LP its output is DVI-I
Samsung manual states it ships their product with DVI-D cables..
This is from the manual
Is a blank screen displayed and does the power LED blink at
a 1 second interval?
1. This occurs when the power saving function is running.
If you click the mouse or press any key, the screen will be
2. If the “Check Signal Cable” condition persists for more than
five minutes, Lossless mode will be activated.In Lossless
mode, the backlight of the monitor will turn off.
Did you connect with a DVI cable?
If you connect the DVI cable when the PC has booted up or if
you reconnect the DVI cable after disconnecting the cable
while using a PC, the screen may not be displayed because
some graphics cards do not output the video signal.
In this case, reboot the PC wh
ile the DVI cable is connected
Did you install the drivers?