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How to Troubleshoot an Optoma Projector?

Optoma projectors are great for conducting lessons, watching shows, and even playing games, but what do you do when they start glitching?

Of course, you could always take them to a repair shop, but repair fees can be costly, even for minor repairs.

That’s why we’ve put together this guide on how to troubleshoot your Optoma projector!

If your projector suffers from any of the common issues listed below, chances are you can fix it yourself with just a bit of effort.

The best way to troubleshoot an Optoma projector is to check its aspect ratio, projection settings, and geometric settings. You should also make sure the HDMI cables and lamps are properly inserted and are still functioning. Finally, try adjusting the focus ring and cleaning the color wheel.

The Video Looks Compressed or Stretched

An error video

If your video looks compressed or stretched on your Optoma projector, the video and the projector’s output may be using different aspect ratios.

To fix the aspect ratio, you can follow these steps:

  • Turn on your projector.
  • Open the projector Menu.
  • Navigate to the Display tab.
  • Select the Aspect Ratio setting.
  • Experiment with different ratios until the video looks normal.

The video should then be fixed!

The Image Is Mirrored, Backwards, Or Upside Down

How to fix flipped Upside-Down image on Optoma Dlp projector Bangla

If the projected image is mirrored, backward, or upside down, you may have to change your Positioning settings.

To fix the image on your Optoma projector, follow these steps:

  • Turn on your Optoma projector.
  • Go to the Menu.
  • Navigate to the System tab.
  • Select Projection to view the projection settings.
  • There will be several presets in the Projection settings. Try them all out until the image is the right way up again.

Once you’ve set it to the right Projection setting, you should be able to use your Optoma projector as you normally would!

The Optoma Projector Doesn’t Respond

Not respond projector

If the Optoma projector doesn’t respond, you may need to reset the device or replace its lamp .

To figure out what the problem is, follow these steps:

  • Unplug the power cable and wait for 5 minutes.
  • Plug the power cable and turn the projector on.
  • If there’s a loud pop, turn the projector off and replace the lamp before proceeding.
  • If there isn’t, proceed to the projector Menu.
  • Find the Factory Reset or Reset All option (typically in System) and select it. This will reset all of your projector’s settings.

Once you’ve reset your Optoma projector, it should begin to work properly!

The Image Is Unfocused

Blur video

If your Optoma projector’s image is unfocused, you may just have a simple adjustment to make.

To bring your Optoma projector’s image back into focus, you can follow these steps:

  • Turn on your Optoma projector.
  • Project a high-quality image so you can easily tell if the projector is in focus or not.
  • Check if the zoom lever is at the right level. This could be distorting your image if it’s zoomed in or out too much.
  • Adjust the projector’s focus by slowly twisting the ring around the lens, aka the Focus Ring. The ring is sensitive, so this may take a while.
  • If the picture is still out of focus, try moving the projector closer or farther from the screen. Most projectors have an optimal range of 5 to 33 feet, but try to check online or in the projector manual for your projector’s optimal range.
  • Once you have the projector within the optimal distance range from the screen, try to adjust the focus using the lens ring again.

The Optoma projector’s image should now be in focus!

The Image Has Slanted Sides

If your Optoma projector’s image has slanted slides, the geometric settings may be wrong for your setup, especially if your projector is at an angle to the screen.

To adjust your geometric settings, you can follow these steps:

  • Turn on your Optoma projector.
  • Open the projector Menu.
  • Navigate to the Display tab. 
  • Find Geometric Correction and select it. This will show you all of the adjustable settings, including:
    • Horizontal Keystone
    • Vertical Keystone
    • Auto V Keystone
    • Four Corners
    • Reset
  • Using the Horizontal Keystone, you can adjust the horizontal skewness of the image – whether it’s skewed more towards the left or the right.
  • Using the Vertical Keystone, you can adjust the vertical skewness of the image – whether it’s skewed more towards the top or the bottom.
  • Using the Auto V Keystone, you can have the projector automatically adjust the vertical skewness.
  • Using the Four Corners function, you can choose a corner and make it smaller or larger. This is helpful for more customized adjustments.

After adjusting your projection using the geometric settings, your image should be oriented correctly!

There Is No Picture

Optoma HD26 DLP Projector No Light/Picture Repair

If there is no image coming out of the Optoma projector, there may be something wrong with the HDMI cables or the lamp.

First, we’ll want to check the HDMI cables since this might be easily fixed. The HDMI cables might be suffering from loose connections, fraying, animal bites, or just regular wear and tear.

If you suspect it could be your HDMI cables, you can follow these steps to fix the problem:

  • Make sure the lens cap isn’t blocking the projection.
  • If it isn’t, turn off your projector.
  • Unplug your projector from its power supply to avoid zapping yourself.
  • Disconnect any HDMI cables from the projector.
  • Check if any of the HDMI connector pins have been bent or broken. If any are, you may need to visit a repair shop. If they’re fine, proceed to the next step.
  • Check the HDMI cables for signs of damage, like cuts or fraying.
  • If they seem to be intact, reconnect the HDMI cables firmly and test your projector. The problem may be loose connections.
  • If your projector still doesn’t work, or if there are signs of damage, try using new HDMI cables .

Once you’ve replaced the cables and/or made sure they’re connected securely, the projector should start working again.

However, if it doesn’t, there may be something wrong with the light source of your projector – the lamp. It could have reached the limit of its lifespan, been installed incorrectly, or perhaps gotten broken at some point.

Checking and Replacing an Optoma Projector Lamp

If you suspect your projector lamp is the source of the problem, follow these steps:

1. Prepare the Optoma Projector

A man reaching a projector on a ceiling mount

  • Turn off your projector and disconnect its power source.
  • Leave the projector to cool down completely for at least 30 minutes. The lamp tends to get hot when in use, and you don’t want to burn yourself.
  • Disconnect any other cables, like HDMI cables, from the projector.
  • Gently turn the projector upside down. Make sure the lens faces you.

2. Take Out the Lamp and Check It

A man checking a projector on a ceiling mount

  • Unscrew the lamp cover and remove it.
  • Unscrew the lamp from the projector.
  • Find the small handle on the lamp and use it to take the lamp out of the projector.

3. Close the Optoma Projector

A man removing a projector on a ceiling mount

  • If the lamp seems intact, put the lamp back into the projector. Make sure it touches the connector securely.
  • Screw the lamp back in.
  • Screw the lamp cover over it.
  • Make sure all screws are tight so that they keep the lamp from moving.
  • Reconnect all the cables and turn on your projector to test it out.

4. Troubleshooting

  • If there is still no picture, you will have to replace your lamp.
  • Unscrew the lamp cover and the lamp again.
  • Take a compatible replacement lamp and insert it securely into the projector.
  • Screw it down tightly, and screw the lamp cover over it.

Once you’ve reconnected all of the video and power cables, test out your projector. It should now work! 

If there is still no picture, the problem may be more complex. In that case, we recommend taking your projector to a licensed repair shop.

Colors Flicker And/Or The Projector Shuts Down

Optoma HD20 Projector Cleaning

If the colors flicker in the projected pictures and/or the projector shuts down, the color wheel might be dusty.

You can clean the color wheel by following these steps:

  • Carefully unscrew and remove the case of the projector.
  • Disconnect the ribbon connector from the top of the case.
  • You can take the lamp out of the projector to keep it safe while you clean.
  • Disconnect the color wheel from the motherboard.
  • Carefully take it out of the projector. You might have to unscrew it.
  • Clean the color wheel using some lens cleaner and a soft, non-scratch fabric 
  • Reconnect the color wheel to the motherboard.
  • Put the lamp back into the projector.
  • Reconnect the ribbon connector to the top of the case.
  • Screw the projector case back on.

Once you’re done, turn on your projector and test it out! The colors shouldn’t flicker anymore.


A white projector on a ceiling mount

If your projection looks compressed or stretched, check the display settings to make sure the aspect ratio is correct.

If the image is mirrored, backward, or upside down, use the projection settings to get it to the right position.

If the projector doesn’t respond, reset the device and replace the lamp if necessary.

If the image is unfocused, adjust the zoom level, the focus ring, and the projector’s distance from the screen.

If the image has slanted sides, adjust its geometric settings.

If the projector isn’t emitting any image, check the connector pins, HDMI cables, and lamp, and replace any parts if necessary.

And if there are flickering colors, open the projector case and clean the color wheel.

Whatever your issue is, we hope that this guide helped you fix it!

Last update on 2022-08-16 / Affiliate links / Images from Amazon Product Advertising API.

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