Locate the unknown device (likely under "Other Devices" or showing a yellow exclamation mark).
To force the usb-storage driver and hopefully avoid data corruption issues on Linux, create a new udev rule file:
| Symptom | Fix | |---------|-----| | Driver installs but device disappears | Try different USB port (USB 2.0, not 3.0) | | Code 39 (corrupt driver) | Run pnputil /delete-driver then reinstall | | Linux not seeing device | modprobe ftdi_sio vendor=0x346d product=0x5678 | | macOS not working | Use HoRNDIS or patched AppleUSBSerial.kext | vid 346d pid 5678 best patched
Do not rely on what Windows File Explorer says about the drive. You must query the controller directly using specialized diagnostics toolsets.
Finding a "patched" solution for VID 346D PID 5678 is a journey many USB drive owners have found themselves on. While the process can be technical, it offers a real chance to revive a seemingly dead device. The key is patience, identifying the exact controller, and using the right community-vetted "patched" tools. Locate the unknown device (likely under "Other Devices"
Click the Start button (often labeled as "Start" or "Product"). The tool will try to detect the chip, erase the firmware, and rewrite it. Common Troubleshooting During Patching
on how to configure the FirstChip MpTools for this specific VID/PID? Finding a "patched" solution for VID 346D PID
Based on the hardware IDs provided, this guide covers the Bluetooth chipset. This chipset is commonly found in aftermarket mini-PCIe/WiFi cards (often sold as "BCM94352HMB" or "DW1550") used for upgrading older laptops, as well as various generic USB Bluetooth dongles.
The most reliable source for these specialized tools is USBDev.ru , a community-driven database for flash drive repair. Look for the latest version of FirstChip MpTools (iTools) .
This happens because modifying the .inf file breaks the original security catalog ( .cat ) file. Ensure you have properly disabled Driver Signature Enforcement as outlined in Step 1 before attempting installation. Error: "Device Cannot Start (Code 10)"
To apply this optimization patch, open Windows File Explorer, right-click the drive, select , change the File System drop-down menu to exFAT , change the allocation unit size to 64 kilobytes , and execute a full format. Troubleshooting Common Flashing Failures