If your VID_058F&PID_1234 device isn't working, try these steps in order:
If you bought a 128GB drive and it shows as VID 058F PID 1234, but corrupts data, it is likely a fake drive.
Click in the main interface. Leave the default password blank or use 0000 if prompted.
When you connect a flash drive to a PC, the operating system reads its hardware identifiers to assign drivers: usb device id vid 058f pid 1234 full
Search for an Alcor Micro MPTool specifically matching your controller part number. Reliable databases for these utilities include sites like USBDev.ru or MyDigit.
When a USB drive displays this generic identifier, users typically experience:
(Vendor ID) PID: 1234 (Product ID)
If your drive is showing "0 MB" or "No Media," standard formatting usually won't work. You likely need a specifically designed for Alcor Micro controllers.
If you are a developer or advanced user and need the descriptor dump, here is how:
Windows Device Manager can only show you basic ID parameters. To view what is actually happening inside the silicon, you must extract the and Controller Part-Number : If your VID_058F&PID_1234 device isn't working, try these
The drive cannot write new data, even if the user hasn't enabled physical write protection. How to Fix/Repair USB VID 058F PID 1234
USB Flash Drive Speed Tests - VID = 58f, PID = 1234 - NirSoft