Error code: 43 in Device Manager.
Why? This is the #1 complaint for the DT100 G2. It does not mean the driver is missing. It means the USB controller could not communicate with the device.
Solutions:
This specific hardware ID appears in:
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Likely vendor
What this means
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The USB Device ID VID 0951 PID 1666 identifies a high-speed flash drive from Kingston Technology , most commonly the Kingston DataTraveler 100 G3
. These identifiers (Vendor ID 0951 and Product ID 1666) are used by your operating system to recognize the hardware and load the appropriate communication protocols. Device Identification & Specifications
Based on hardware repositories and user benchmarks, this ID is shared across several popular Kingston models: Primary Models:
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
and does not require third-party drivers for modern operating systems like Windows 10/11, macOS, or Linux.
NamingSystem: USB VID and PID as a device identifier - HL7 Terminology usb device id vid 0951 pid 1666 link
Most users search for a VID/PID link because they are experiencing driver issues. If you are seeing this ID in your Windows Device Manager, it usually means one of the following is happening:
1. "Unknown Device" or Code 10 Error If your computer recognizes the drive but cannot access it, or if it shows up as "Unknown Device" with the VID/PID shown in the properties, you likely have a corrupt driver stack.
2. The Link is Dead (Cable/Port Issues) Sometimes the device shows up with this ID but refuses to mount (doesn't show up in File Explorer).
3. Formatting Issues If the drive shows up in Device Manager but not in Explorer, it may have a corrupted partition table.
Solution: Check lsusb – you should see Bus XXX Device XXX: ID 0951:1666 Kingston Technology. If seen but not mounted, run:
sudo dmesg | grep -i usb
sudo mount /dev/sdb1 /mnt/usb (adjust device name accordingly)
PID 1666 corresponds to a specific Kingston product: the Kingston DataTraveler 100 G2 (DT100 G2) USB 2.0 flash drive. Error code: 43 in Device Manager
Let’s be precise:
When you combine them: USB\VID_0951&PID_1666 = Kingston DataTraveler 100 G2.