This is a compatibility issue: the USB 2.0 Cruzer Blade sometimes fails to enumerate correctly on USB 3.0 ports, appearing as an "Unknown Device".
The Cruzer Blade is a popular budget-friendly USB 2.0 drive. Below is a summary of its common technical specifications.
If the drive has been used for many years, the flash memory inside may have failed, resulting in the "write protected" error. SanDisk does not provide public flash tools to reflash the controller (like the Alcor or Phison tools), making physical failure usually fatal for the data on this specific model. Technical Data Summary SanDisk Corporation VID PID Device Model Cruzer Blade Interface Device Type Mass Storage Device Data sourced from DeviceHunt and usbspeed.nirsoft.net. If you are facing these issues, could you tell me:
: When using Rufus to create a bootable drive, the operation fails with the error "Access to the device is denied". Common Cause : The drive is currently in use by another process, or Windows has a lock on the volume. Solutions : usb device id vid 0781 pid 5567
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If your SanDisk Cruzer Blade is acting up, try the following steps in order, often discussed in community help forums like SanDisk Forums: 1. Fix Write Protection via Diskpart (Command Prompt)
If the drive still returns a write-protection error during a low-level format, the drive's internal firmware has locked down permanently due to flash cell wear. In this state, the drive cannot be repaired with software or flashed with new firmware. Your best option is to copy your files off the drive and replace it. This is a compatibility issue: the USB 2
A unique 16-bit number assigned exclusively to SanDisk Corp. Any device displaying this vendor ID uses SanDisk storage controllers or NAND flash memory.
Understanding the SanDisk Cruzer Blade (VID 0781 PID 5567) When you see the technical identifier , you are looking at one of the most popular entry-level flash drives on the market: the SanDisk Cruzer Blade . These identifiers are not just random numbers; they are the "digital fingerprints" that tell your computer exactly what hardware is being plugged in and which drivers it needs to function. What do these IDs mean?
Depending on why you are looking for documentation, these resources and solutions may help: 1. Device Identification & Specs If the drive has been used for many
Often, Windows flags a drive index with a logical write restriction. You can override this using the native command-line utility.
The USB hardware identifiers primarily identify the SanDisk Cruzer Blade USB 2.0 flash drive. DeviceHunt Device Profile: SanDisk Cruzer Blade Manufacturer: SanDisk Corp. (Vendor ID 0781) Cruzer Blade (Product ID 5567) Interface: USB 2.0 (High Speed) Capacities:
This is the most common issue associated with this hardware ID. When a SanDisk NAND flash controller detects that a memory sector has structural damage or has exceeded its write-cycle endurance limit, it triggers an irreversible fail-safe mechanism. The device automatically locks itself into a permanent read-only state to safeguard existing files from corruption. sandisk pendrive problem on disk write is protected
According to DeviceHunt , this specific combination represents the . These compact, durable flash drives have been widely used for over a decade, making this identifier very common in USB detection logs and troubleshooting forums. What is VID 0781 PID 5567? Vendor ID (VID) 0781: SanDisk Corporation DeviceHunt. Product ID (PID) 5567: Cruzer Blade DeviceHunt.
VID 0781 PID 5567 is nothing to fear—it’s simply a handshake from one of the most popular compact flash drives on the market, the .