: Assigned by the USB Implementers Forum (USB-IF) to Huasheng Electronics (also trading under Ameco Technologies Shenzhen Co., Ltd. ).
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If you are trying to deploy this hub within an advanced operating setup or) Whether the hub has its own The specific error code showing up in your system logs Share public link usb vid-214b amp-pid-7250 amp-rev-0100
If you’re building a portable project that relies on OTG and device charging simultaneously, consider a higher‑quality hub based on a GL3510 or similar chip instead.
This came from a cheap USB programmer/TTL adapter purchased online. No markings on the PCB. : Assigned by the USB Implementers Forum (USB-IF)
Execute the environment flag command: set devmgr_show_nonpresent_devices=1
Switch the setting to for both "On battery" and "Plugged in". Click Apply and hit OK . This link or copies made by others cannot be deleted
The VID and PID system is a cornerstone of modern computing. It's not just for hubs; —from your mouse and keyboard to printers and external drives—has a unique VID/PID pair.
Example: If Device Manager shows VID_214B&PID_7250 and the device appears as “USB Composite Device” or “Unknown,” search vendor resources for a Windows driver that lists VID 0x214B / PID 0x7250.
If you are seeing this ID in your logs or Device Manager and suspect it is causing issues, follow these steps to force proper power management:
Huaxu Electronics is a real manufacturer, but this guide is based on aggregated public data and reverse-engineering communities. Always back up your registry before editing.