NEC NP4001/NP4000 User Manual page 44

2. Installation and Connections
2. Turn on the projector and select the chosen method of connection from the
source menu before turning on the PC (see
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.
Selecting a Source on page 39).
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