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Can't find source

The projector keeps scrolling through all the incoming sources trying to find a signal.  At one point it does find the signal then immediately goes back to scrolling through, as if it lost the signal.

Posted by WRichardson on

  • 3 more comments 
  • Anonymous Mar 15, 2008

    same as above, no source found

  • Anonymous Mar 15, 2008

    same as above, no source found

    tryed different inputs

    just replaced the lamp, was fine before

    all I get is bluescreen

  • Kees Dev May 27, 2008

    I've got a 3M 6450 and try to connect it to a Avermedia-device (Aver TVBox 7). The TVBox works fine on a LCD-screen, but when connecting it to the 3M-projection panel i't doesn't pick up the signal. I've tried setting different resolutions (800*600 and 640*480) on both devices, but sofar no luck. The projection panel works fine with a S-video-connection. But before buying a VGA -S-Video-convertor I would like to know if I can get the VGA-input working.

  • gfleish Oct 13, 2008

    It seems I have to first turn on the projector then my computer to sometimes get the signal. What is the proper procedure for getting the signal? I push the right function button but no signal

  • sheridan1952 May 11, 2010

    What projector do you have?

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Mmmmmm

Posted on Apr 26, 2008

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1 Answer

White dots on the screen


Need more info. But initial suspicion is there is a problem with your projector.

Are they stationary and always in the same position? You may have bad pixels.

Are the dots there with no signal going to the projector?

What is connected the the projector? Detail the video path - try all the sources. The dots still there and in the same position on all sources?

It is probably your projector.

If some of your sources are fine - the problem might be from a connected source.

Hope this helps.

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2 Answers

No picture


Hi, Possibly either of 2 reasons: 1. Your player is not sending any signal to the Optima meaning it is the one in question and not the projector; or 2. Your Optima lost its input signal, go through the signal source selection menu, try manual selection & set it to where your source/player is connected. Hope this works out for you, if not pls post again . Good luck and kind regards.

Aug 03, 2007 | Optoma H31 Multimedia Projector

1 Answer

Hi--my new Vivitek D5 projector is not connecting to my Macbook. I have a mini DVI converter attached to a vga to DVI video adapter, but the projector can't "find" the source.


Please check your port with another source to confirm the working of the PC. Now also try to see if the projector connects with another PC. This will confirm the culprit as it is possible that there is a signal mismatch to the source input and hence not detected.

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1 Answer

Will not regonize computer source


The projector looks for Horizontal sync & Vertical sync signals from the VGA source. If it finds these signals only then the source is connected. Even if the sync signals are found, the RGB switching should be working. Either there is a problem in sync circuitry or RGB switching. You need to be well conversant with the circuitry.

sonsunny

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1 Answer

How do I change the format from 480i to 1080?


First, you need to verify that you have an HD source (720p, 1080i) connected to your M1-DA port or RGB component video ports.
S-Video and Composite video inputs are not capable of providing a 1080 signal. Then, in the menu, go to settings and then select "Sources". Verify that the source you want to use is checked and enabled. Once you exit the menu, perss source on the keypad until your selection shows up. If you have a good signal, it will sync up and display your program. To verify what signal you are watching, go back into the main menu and select "About" It will show which source you are using and what the format is.

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1 Answer

Source drops of


try a new cable. a shorter one. if it works with a short cable, the other cable is too long to get a decent signal.

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1 Answer

Projector signal goes bad after 25 minutes


It appears the projector was over heating. Why it affected the DVD signal and not the computer signal, I do not know. The other confusing thing was the projector was hanging off the ceiling and should have had plenty of circulation. When I climbed up to check for excessive dust, I found that the lens cap had been placed over the intake vent. I blew off the dust and removed the cap. After running the projector for an hour, it appears that the problem has been solved.

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2 Answers

SOURCE PROBLEM


Hi John

Is your Projector's source scan swithed on ?

Does it pick up a signal when you press the source button ?

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1 Answer

Projector Colour Problem


Could be a few things....first you need to isolate a signal source issue or a faulty LED lamp. Simply unplug your signal source and run the menus on the projector. Purple Gone with source unplugged = faulty source our signal Purple still there = faulty device Sounds crazy but make sure you have no interference devices running real close within say 2 feet. cell phone, microwave, magnets, high voltage eletricity...etc

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