: The computer recognizes the drive but shows 0 MB capacity. Write-Protection
Search for the Alcor Micro "MPTool" or "AlcorMP" version that matches your controller number on specialized sites like USBDev.ru or FlashBoot.ru . usb device id vid 058f pid 1234 full
. While it often appears as a "Generic USB Flash Disk," this specific ID is a common fingerprint for a wide range of mass storage devices using Alcor controllers. What is this device? VID (Vendor ID) 058F belongs to Alcor Micro , a major manufacturer of USB controller chips. The PID (Product ID) 1234 : The computer recognizes the drive but shows 0 MB capacity
or failing after minimal use. They are "notorious for failing" and should not be used as a primary backup for critical files. usb device id vid 058f pid 1234 full