Step 3: Disable Driver Signature Enforcement (For 64-bit Windows)

: The device is flagged as Removable (e.g., standard USB thumb drives, SD cards).

The magic involves modifying the .inf file with your USB device's specific hardware ID and then forcing a driver update in Device Manager.

Windows historically treats USB flash drives as "removable," which prevents users from creating multiple partitions or using certain disk management features. By applying the cfadisk driver, you can: Partition USB Drives