If the drive still shows "No Media" after firmware attempts, the NAND flash chip inside has likely physically failed Spiceworks Community . In this case: The drive is typically unrecoverable through software. Check if it is under warranty with manufacturers like Silicon Power , which frequently use these Phison controllers Kingston Technology
Users often encounter this specific device name when their flash drive is failing. The device may show up in Device Manager but display a status in Disk Management with 0 bytes of capacity. Common Causes:
: The internal software (firmware) that manages the controller has crashed or become corrupted.
Windows recognizes something is plugged in but cannot identify it. The device appears as "Unknown USB Device" before briefly flashing as "13fe USB Disk 50x." 13fe usb disk 50x usb device
The controller cannot communicate with the NAND flash memory chip (where your data is stored), or the flash memory chip itself has failed.
If it shows as "50x USB device" but with , the controller has likely entered "safe mode" (firmware crash). You have two options:
For critical data, recovery labs use hardware tools like from Ace Laboratory. This tool can: If the drive still shows "No Media" after
If you want to check the exact device, on Linux you could run:
Most modern USB disks are designed to be highly compatible with various operating systems, including Windows, macOS, and Linux. However, it's always a good idea to check compatibility, especially if you're working with specific or older systems.
It means the controller chip works, but it cannot communicate with the NAND flash memory chip inside the drive. The device may show up in Device Manager
The most confusing part of the label for most users is the hexadecimal prefix: .
: This is a common symptom where the computer recognizes the "reader" (the controller) but cannot find any actual "storage" (the memory chip) to read from. Spiceworks Community Potential Fixes
This method is advanced but effective for drives that have spontaneously write-protected themselves.
For those in the market for a USB disk or similar device, consider factors such as: