How to use a laptop to display on a wall step 1.
Project your computer screen onto wall.
Plug in the power cords for both the projector and the laptop you don t want your battery to run out.
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If you re tired of crowding around a laptop or smartphone to watch a movie or video clip this diy projector will throw it up on the wall for all to see.
Plus it should only set you back about 5.
Read below for instructions.
The options available are pc screen only duplicate extend and second screen only.
Depending on the age of the devices available you can connect to a second screen by a vgi dvi hdmi or mini display port.
As you will see the easiest way to project the screen is by pressing the windows and p buttons simultaneously and then selecting how you want to project your image.
Connect the laptop to the projector using a vga cable.
Using a shoebox magnifying glass and a smartphone you can make your own photo or video projector for super cheap.
You can solve these problems by hanging a white sheet or piece of fabric using a portable or inflatable screen or painting the wall with movie screen paint.
Want to show off vacation photos on the big screen or project goofy videos on the wall.