If your USB flash drive has suddenly stopped working—showing "0 bytes," "Insert Disk," or simply not appearing in Windows Explorer—you are likely dealing with a controller failure or logical corruption. Many modern budget-friendly USB 3.0 and USB 2.0 drives use a controller chip manufactured by . One of the most common controllers in drives produced between 2019 and 2023 is the FC1178BC .
Before you click any download link, it is crucial to identify that your drive actually uses this controller. firstchip fc1178bc link download
: FirstChip MpTools on USBDev.ru. Identification Tool : ChipGenius (USBDev) . If your USB flash drive has suddenly stopped
: If the drive is recognized, it will appear in one of the slots with a "VID-PID" of FFFF-1201 (typical recovery mode). Configure Settings : " "Insert Disk