Usb Vid-214b Amp-pid-7250 Amp-rev-0100 Portable -

If you still need assistance, post in the r/techsupport subreddit with the exact text: "Device Manager shows USB\VID_214B&PID_7250&REV_0100 – tried forced driver, no luck." Include your Windows version and the physical device model.

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: usb vid-214b amp-pid-7250 amp-rev-0100

If you have a mouse, keyboard, and webcam plugged into a 214B hub, it may exceed the 500mA limit Disconnecting devices or slow data transfer. If you still need assistance, post in the

If the device is causing high CPU usage or lag, it is likely failing to enter a low-power state. You can force Windows to manage its power more aggressively via the Registry: (or associated generic Chinese manufacturers like Product ID

This chipset is frequently found in various generic and branded USB expansion hardware, including: Stand-alone Hubs : Integrated into budget 4-port hubs like the GEMBIRD UHB-U2P4-04 Ziyan USB 3.0 Hubs (often mislabeled as 3.0 while using this 2.0 controller). Internal Components