¶ Problem Description
The Touchscreen shows that the file is empty when selecting the file from the USB flash drive.
¶ Possible Causes
- There’s something wrong with the USB flash drive.
- The file system of the USB flash drive is not FAT32.
¶ Solution
- Check whether the USB flash drive is broken.
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Plug it into your computer and see if it can be detected.
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Try another USB flash drive.
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The machine only supports FAT32 format, so if your USB flash drive is programmed to other formats, it won't be detected. You can try formatting your drive as FAT32. Note that your drive will be erased during the process, so before reformatting your USB flash drive, store its files elsewhere. Alternatively, you can use a new drive of FAT32 format.
To reformat your USB flash drive to FAT32, do the following:
¶ For Windows:
For a USB flash drive with a capacity smaller than 32GB:
a. Press the Win key and the X key at the same time to open the Power User menu..
b. Click Windows PowerShell(Admin).
c. On the Windows PowerShell panel, type in the command below and then hit the Enter key.
format /FS:FAT32 /Q X:
Replace the 'X' at the end of the command with the drive letter of your USB flash drive.
For a USB flash drive with a capacity bigger than 32GB:
a. Download the FAT32 Format program.https://support.snapmaker.com/hc/article_attachments/4405061604503
b. Run the program and format the USB flash drive to FAT32.
¶ For macOS:
a. Open Terminal, input the commands below, and then hit the Enter key.
diskutil list
b. Check the number of your USB flash drive as circled in the above picture. After that, input the commands below, and then hit the Enter key. Note that this step requires your computer password.
sudo diskutil eraseDisk FAT32 USB MBRFormat /dev/diskX
Replace the 'X' at the end of the command with the number of your USB flash drive.
¶ Reach out to Snapmaker Support
After following the troubleshooting steps, if you find it difficult to resolve your issue, kindly submit a support ticket through https://snapmaker.formcrafts.com/support-ticket and share your troubleshooting results with some pictures/videos.
Our dedicated support team will be more than willing to assist you in resolving the issue.