Quesiton:Sanyo projector, toshiba laptop , using analog vga cable. see everything on projected screen except video box is all black. can hear audio.
Answer:sometimes that happens. Usually the fix is to switch the primary and secondary monitors in the display settings. i.e. set the projector to primary instead of the laptop screen. Or the other way around, I think that its sort-of goofy and different on different computers
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