The USB VID-214B&PID-7250&REV-0100 is a unique identifier for a specific USB device. Understanding the VID-PID and its significance can help you troubleshoot issues with the device and ensure proper functionality. If you are experiencing issues with a device identified by this VID-PID, try the troubleshooting steps outlined above.
: Unplug the hub and any attached devices. Shut down your PC and disconnect the power supply cable for 60 seconds to completely discharge the motherboard's USB capacitors. Restart and reconnect the hub directly to a rear motherboard port. 2. Intermittent Dropping on Linux and Raspberry Pi
Because it maps to a standard USB Hub class ( Class 09h ), . Operating systems use an industry-standard generic driver stack to manage it: Huasheng Electronics — USB Vendor 214B - DeviceHunt usb vid-214b amp-pid-7250 amp-rev-0100
: Indicates device firmware version 1.00.
identifies a specific hardware revision of a Huasheng Electronics USB 2.0 Hub controller . This hardware footprint routinely surfaces in Device Manager or Linux terminal logs when a multi-port USB hub or an internal USB expansion board is connected to a computer. : Unplug the hub and any attached devices
Inside the newly opened Device Manager window, click on the top toolbar and select Show hidden devices .
Before diving into fixes, it is crucial to understand what this hardware signature represents. Vendor ID (VID) 214B: Identifies the manufacturer as Huayi Electronics Co., Ltd. (or associated generic Chinese manufacturers like Product ID (PID) 7250: Identifies the specific model, usually a USB 2.0 Hub Multi-Slot Card Reader Controller Revision (REV) 0100: Before diving into fixes
For 214b:7250 , the repository lists several user‑submitted names:
Indicates the Firmware Revision 1.00 . This reflects the layout baseline for standard USB 2.0 data piping before later firmware variants modified power profiles. Architecture of the HS8836A Core Chipset
Scroll down to . Locate any greyed-out or warning-flagged Generic USB Hub entries matching our ID.
The REV 0100 often indicates a specific firmware version on the USB bridge chip. This particular revision is known for: