Reboot
The issue should be solved without a reboot...checkout the alternative options.
Alternate Plan 1
Toggle Displays:
1. Using the FN button on Windows computers.
Alternate Plan
Check to make sure you are on the current input.
Most projectors have multiple inputs (I.E., Computer 1, Computer 2, DVD, etc.), toggle through the inputs by pushing the input button on the top of the projector
Electricity
It is evident that the power is on and projecting light (to give the blue screen).
Cables
It would not hurt to double check the cables for good tight connections. Check those connections at computer and projector; Correct port attachment.
Mrs. Bright has plugged in her compuer to the projector, but once the projector is turned on all she is getting is the "blue screen blues". She can see her presentation on her computer, however, the projector is not providing the same displayed image for her class to view.
With 20 studious faces waiting for the presentation that she spent lots of time on, what can she do?
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Click on the letter below that you think is correct.
(C-cables, L-lights, E-electric, A-alternate, R-reboot)
Or
Scroll through all options.
Blue Screen Blues
Lights
The projector lights should not be the issue. It is evident that the power is on and projecting light (to give the blue screen).