0 MB on a 32GB USB stick - Storage Devices - Linus Tech Tips
058F is assigned globally to Alcor Micro Corp. . Alcor manufactures the internal microcontrollers (the "brains") used in tens of millions of USB flash drives sold by brands like Transcend, SanDisk, Kingston, and generic promotional brands.
Open the MPTool application as an Administrator. usb device id vid 058f pid 1234 full
This ID is often seen in high-volume, generic flash drives. Because these IDs are programmable, they are sometimes found on "fake" or counterfeit drives where the reported capacity (e.g., 32GB) does not match the actual physical NAND flash storage.
The program should detect the flash drive in one of the slots, even if Windows cannot read it. 0 MB on a 32GB USB stick -
When these two codes appear together as VID_058F&PID_1234 (in Windows) or 058f:1234 (in Linux/macOS), it often signals that a USB flash drive has reverted to a basic operating mode.
diskpart list disk select disk X (where X is your USB drive number) clean create partition primary format fs=fat32 quick assign exit Open the MPTool application as an Administrator
If your 058f:1234 device still enumerates but cannot be mounted normally, there are limited but effective data recovery options.