When you plug a USB drive into a Windows PC, it should ideally be "Plug and Play," meaning the OS automatically installs the generic drivers. However, sometimes the device shows up as "Unknown Device" or with a yellow exclamation mark in Device Manager.
No external link needed – the driver is inside C:\Windows\System32\drivers\ .
If your computer sees the ID but can't access the files, try these steps: 1. Update Drivers via Device Manager Right-click > Device Manager . Expand Universal Serial Bus controllers . Find the entry for Kingston/Mass Storage Device . Right-click > Update driver . 2. Check Disk Management Search for "Create and format hard disk partitions." Look for a "Removable" disk with "Unallocated" space. Right-click the block and select New Simple Volume . 3. Fix Write Protection usb device id vid 0951 pid 1666 link
Last updated: October 2025 – Accurate for Windows 11 24H2, Linux 6.x, macOS Sequoia.
Kingston DataTraveler 100 G3, DataTraveler G4, SE9 G2, and Kyson. Hardware Interface: USB 3.0 / 3.1 Gen 1. Internal Controller: Often uses Phison controllers (such as PS2251-07 or PS2251-19). Expected Speeds: Typical read speeds range from 47 MB/s to 117 MB/s , with write speeds generally significantly lower. Driver and Support Links As a standard Mass Storage Device, this drive is plug-and-play When you plug a USB drive into a
A: Generally, VID and PID are fixed and defined by the manufacturer. However, some devices might allow for firmware updates that could change these values.
If your computer displays this VID/PID but the drive is not working (e.g., "Device Not Recognized" or shows "0MB" capacity), it often indicates a controller or firmware failure. VID = 951 (Kingston Technology), PID = 1666 If your computer sees the ID but can't
Corrupted partition table or firmware glitch. Solution: Use Kingston Format Utility (official link above) or diskpart clean command.