Issue Description
When this issue occurs, the image captured by the close-view camera fails to be refreshed. You may see a pop-up error message showing "Refresh failed" like below.
![](https://res-us.makeblock.com/xtool/xcs-cms/community/activity/b38660a1-fd09-4b27-8a57-3edf5d2074b5_1.PNG)
#1 Connect P2 with a USB cable
- The unstable WI-FI connection may lead to a failure in data transfer.
- Try connecting with a USB cable or switching to a more stable network.
#2 Check the cable connection
- Take off the magnetic upper cover.
- Remove the left upper cover by referring to the casing removal video tutorial: https://support.xtool.com/article/949
- Unplug and reconnect the cable on both ends to make sure of a secured connection.
![](https://res-us.makeblock.com/xtool/xcs-cms/community/activity/be2046af-d21c-4097-aa07-4d5a8d0df192_2.PNG)
#3 Check the camera
- Connect P2 with a USB cable.
- Open your browser and select the link that corresponds to your operating system.
- For Windows: 201.234.3.1:8329/snap?stream=1&mode=origin
- For Mac: 201.234.4.1:8329/snap?stream=1&mode=origin
- Input the link in the address bar and press "Enter".
- Check if the browser shows the image captured by the close-view camera.
- If not, the camera module may be faulty and needs replacement.
#4 Examine the work log
- Sometimes the calibration file of the machine may be missing. This will cause the camera to fail.
- To determine if the file is lost, please export the work log as shown below and contact xTool customer support team for further advice.
![](https://res-us.makeblock.com/xtool/xcs-cms/community/activity/a4f768d9-8928-4e53-9544-9fb231da5a44_3.png)
If None of the Above Works
If you have any questions, collect the troubleshooting steps you have taken and the product SN, shoot a video of the issue, and contact us for further assistance at: support@xtool.com.
![](https://res-us.makeblock.com/xtool/xcs-cms/community/activity/62ea52cc-abda-43a9-a0b9-f914190f9204_eb7b3121-c960-4763-b4ec-8f3505730835_5.png)