The drone is improperly recognized as a generic serial (COM & LPT) port rather than a dedicated DJI interface. Step-by-Step Guide: Fixing the Driver on Windows
Restart your computer normally afterward to re-enable security protocols. Method 4: Switch Cables and Ports
: Occasionally, a corrupted MicroSD card inside the drone can lock up the device boot sequence, preventing the USB interface from initializing properly. Pop the card out and try connecting again. If you want to troubleshoot a specific setup, let me know: What model of DJI drone/device you are connecting? Which Windows version you are currently running?
Open Windows File Explorer and navigate to the default installation directory: C:\Program Files (x86)\DJI Product\DJI Assistant 2 (your drone series)\driver\ dji bulk interface driver
If your computer fails to recognize your drone, work your way through these proven troubleshooting methods. Method 1: Reinstall DJI Assistant 2 as Administrator
The DJI Bulk Interface driver is a specialized software component that allows a computer’s operating system to communicate with DJI hardware via USB "bulk transfer" mode. USB communication uses different transfer types:
If you are stuck on a specific step, tell me you are using and your Windows version so I can provide the exact path files. Share public link The drone is improperly recognized as a generic
Click the large button labeled or Install Driver .
Troubleshooting the DJI Bulk Interface Driver: A Comprehensive Guide
Modern operating systems block unsigned drivers to protect against malware. Because DJI regularly updates its product lineups, older legacy DJI drivers might trigger Windows Driver Signature Enforcement blocks. Pop the card out and try connecting again
Click , then browse to the DJI Assistant 2 installation directory (usually C:\Program Files (x86)\DJI Product\DJI Assistant 2\Drivers or a similar path containing .inf driver files).
The driver is working, but the application is using the wrong communication protocol (e.g., trying to use RNDIS/Ethernet over USB instead of bulk).
DJI bulk transfers require robust hardware pipelines. Standard charging cables often lack the necessary internal data wires.
Your (Windows 10, Windows 11, or macOS version) The exact error message or behavior you are seeing I can provide tailored instructions for your exact setup. Share public link
when installing DJI drivers on Windows to ensure proper system-level installation.