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White dots on the projector screen

When using my overhead projector I have multiple white dots on the screen.

Posted by Anonymous on

5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: White dots appearing on Samsung TV screen and multipling each day

It seems you might have an issue with the dmd board. Go to the menu, and if the dots still show on the menu, the issue definitely is with the dmd board but if they don't come up on the menu, the issue will be with the video board.

Posted on Aug 20, 2009

  • 2 Answers

SOURCE: the projector has several white dots on the

I have the same problem. I think we need a class action!

http://s1231.photobucket.com/upload/albums/m3231/?location=projector+spots

Posted on Dec 08, 2010

  • 8909 Answers

SOURCE: I have a growing number

I would have it serviced under warranty from Dell as it could be the mirror array going faulty and that is expensive!.

Posted on Feb 26, 2011

  • 2 Answers

SOURCE: Help! Our Optoma DLP

There is a lense behind the main focus lense that's causing this. Flakes of the colored tint are coming off causing white light to shine through. If you look at your projection, you can see black spots as well, these being the flakes that have re-located themselves. I dug into mine deep enough to diagnose this, to actually replace the little lense would be a little tricky. The unit has to be mostly disassembled. Also I haven't been able to locate a vendor who sells the part. Optoma wants you to send it in so they can do the repair, and won't part w/ these component level parts.

Posted on Nov 20, 2011

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Acer overhead projector is covered in white dots


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Hi Emmanuel,

I think your projector lamp and LCD area is dusty.
please use pressurized air can and clean the area.also check the dust filter.
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1,white spots appeared on screen,means the DMD chip is broken,you need a new DMD chip.
we supply the new DMD chip,it's life is 6 years, and the price is USD200

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We supply original projector parts: lamp, bulb, Lcd panel, Lens, DMD chip, color wheel,
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Black and white pixels in picture


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The screen shows multiple tiny dots. (stars)


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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.

Aug 26, 2012 | Acer X1160 DLP Data Projector, 2,000 ANSI,...

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My projector is showing multiple white dots, looks like lots of small stars all over the screen when projected to screens. is this mean I need to replace the lamp? TDP-XP1 model.


The link to the article explains the the cause of the white syndrome none of the previous internet experts have a correct solution. I have the same problem the link to the article attached is for a Mitsubishi projector but all the chips are the same. http://www.fixyourdlp.com/2012/04/26/solve-the-mitsubishi-white-dot-problem-for-under-200/

Oct 19, 2010 | Toshiba TDP-SP1 DLP Projector

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The projector has several white dots on the screen. how can i fix it, it started with a few white dots then every time i used it, it doubles and doubles until it became many dots.


I have the same problem. I think we need a class action!

http://s1231.photobucket.com/upload/albums/m3231/?location=projector+spots

Oct 06, 2010 | BenQ MP511 Projector

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What is an Overhead Projector?


An overhead projector is a very basic but reliable form of projector. The overhead projector displays images onto a screen or wall. It consists of a large box containing cooling fan and an extremely bright light, with a long arm extended above it. At the end of the arm is a mirror that catches and redirects the light towards the screen.
An overhead projector can be used to enlarge images onto the screen or wall for audiences to view.

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