How to Get Cosmos Laser to Recognize the 4K Dongle

Modified on: Fri, 17 Oct, 2025 at 3:55 PM


Compatible with:

Cosmos Laser 4K, D2350


If Cosmos Laser is not recognizing the 4K dongle, try one of the following options:

1. Use a pin to tap the hole on the dongle and reset it.

2. Unplug the dongle, then plug it back in.

3. Test the dongle by connecting it with another TV or projector.

If you still have any questions or concerns regarding the recognition issue, contact us for further assistance.


Was this article helpful?

That’s Great!

Thank you for your feedback

Sorry! We couldn't be helpful

Thank you for your feedback

Let us know how can we improve this article!

Select at least one of the reasons
CAPTCHA verification is required.

Feedback sent

We appreciate your effort and will try to fix the article