---
title: DVXC4 CH1/CH2 Missing
description: If channel 1/ channel 2 is missing while playing the video file from SD card or from RoscoLive, there's a possibility that CH1/CH2 is turned off or it is a potential CH1/CH2 failure.
---

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# DVXC4 CH1/CH2 Missing

## If channel 1/ channel 2 is missing while playing the video file from SD card or from RoscoLive, there's a possibility that CH1/CH2 is turned off or it is a potential CH1/CH2 failure.

#### If it is a failure, you will receive an email notification mentioning Channel failure, if you enable "channel status" from RoscoLive settings.

### Diagnosis Process

 

#### Step 1

**Shut down the vehicle completely** and remove the SD card from the camera head.  
For detailed instruction please see [Proper SD card removal](https://rosco.egnyte.com/dl/nPkJEXkYL1).

#### Step 2

Insert the SD card to a SD card reader on the computer.

#### Step 3

Open the DV Pro 5 software. If you don't have one, please [download](https://support.roscovision.com/knowledge/dvpro-5-player?hsLang=en) here.

#### Step 4

Click on “SD config” on the right bottom of the screen.  
![](https://wiki.roscocloud.com/_media/user:product:dual-vision_recording:dual-vision_xc4:troubleshooting:pic_1.png?w=600&tok=a5e43c)

#### Step 5

Click on “Channel Settings”.  
![](https://wiki.roscocloud.com/_media/user:product:dual-vision_recording:dual-vision_xc4:troubleshooting:pic2.png?w=600&tok=feec7c)

#### Step 6

Make sure there is a ✔ for channel 1.

If channel 1 is checked and enabled already but the issue still persists, please **[Contact Us](https://support.roscovision.com/knowledge/contact-rosco?hsLang=en)**.

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