Nikon NP4100 - Manual (Page 47)

2. Installation and Connections
32
2. Turn on the projector and select the chosen method of connection from the
source menu before turning on the PC (see Selecting a Source on page 40 ).
3. Turn on the PC.
Note:
Failure to follow the above steps may not activate the digital output of the graphics
card resulting in no picture being displayed. Should this happen, restart your PC.