What should I do if my USB device is not recognized?
1. Install the File Explorer app from the Google Play Store.
2. Make sure the USB drive has a FAT32 format.
3. Download an mp3 to the USB drive and connect it with projector to see if it plays.
4. Test another USB drive.
If you still have any questions, please contact Support@seenebula.com for further assistance.


165 undefined
How to Mirror or Stream Videos from an iOS Device to an Android TV Projector 7646 views 1 likes/2025-04-07 16:33:29
How to Mirror or Stream Videos from an Android Device to an Android TV Projector 4483 views 1 likes/2025-04-07 16:04:56
How to Connect an External Speaker to Your Projector (Android TV System) 3526 views 1 likes/2025-04-07 16:33:30
How to Connect the Nebula Connect App to Your Nebula Projector? 767 views 1 likes/2026-01-19 16:16:21
How to Fix HDMI No Signal or Unstable Signal Issue 3613 views 1 likes/2025-04-08 17:27:07
How to Pair a Remote Control With Your Nebula Projector 3107 views 1 likes/2025-04-07 18:23:25
Payments & Vouchers FAQ 2138 views 1 likes/2025-12-29 17:34:13
How to Locate the Serial Number on Nebula Products? 1659 views 1 likes/2025-04-07 16:32:02
About Nebula Connect App 3803 views 1 likes/2025-04-08 17:27:06
Unlock Our New E-Warranty Card feature on the Nebula Connect App! 1730 views 1 likes/2025-04-08 17:08:28

D2341_Cosmos Laser_Manual

D2341_Cosmos_Laser_EU_Declaration_of_Conformity

D2341 Cosmos_Laser_UK_Declaration_of_Conformity

Nebula Cosmos 4K SE 取扱説明書 (D2342)

Cosmos 4K SE_QSG

D2342 User Manual DE
View More


How to Update Your Firmware?


How to Screen Mirror and Cast Content from Your iPhone and Android Phone?


Set up Remote Buttons


Auto & Manual Focus


How to Install the 4K Dongle?


Manual Keystone Correction
View More