I work at a computer lab and we have an Elmo projector that is not working. The image appears on the screen, but the color is wrong (pink or it's black and white), it's fuzzy (black lines across the screen), and there are multiple images appearing. We have tried a few different cables, but it is definitely a problem with the Elmo and not a projector or cable. Anyone have any troubleshooting ideas?
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Most projectors have an auto search function which can be switched off. You can then set the source to the specific input that you are using. Of the problem persists it may be the battery of the Elmo. (If it has one) Maybe it isn't strong enough to send the signal and maintain it.
the resolution might not match from presenter to projector. are you using rgb, composite or s-video? the signal might not match. there might be an auto adjust on the projector to read and match the elmo's resolution. if not, the elmo may have an issue sending a powerful enough signal to the projector, and need a new main board.
hi try using the function key to toggle the display output form the laptop.every laptop when connected to an external display like projector works in the multiple diplay mode.in this mode the laptop vga output can be seen in 3 modes------ only laptop screen, only external deipaly(projector) & both laptop & projector.check this & this should work fine
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I have found that vertical lines that suddenly appear from projectors are due to poorly connected cables. Sut off your projector and wait for the fan to go off. Then unplug the connectors from the computer to the projector and secure them again, making sure to go all the way. Hope this helps.