Usb Vid-214b Amp-pid-7250 Amp-rev-0100 -
Look for the item with the yellow warning triangle or labeled as .
The device string consists of three key identifiers:
Typical device categories with similar IDs usb vid-214b amp-pid-7250 amp-rev-0100
If you are experiencing issues with a device identified by the USB VID-214B&PID-7250&REV-0100, try the following troubleshooting steps:
After applying Method 1 or Method 2 above, 95% of users will see their device transform into a working CD-ROM or disk drive. For the remaining 5%, the REV-0100 hardware has likely reached the end of its functional life. Look for the item with the yellow warning
“This hub is junk: the chipset doesn't support the OTG spec properly, and the Rid resistances are not in compliance with the USB OTG Battery Charging spec.”
Bus 003 Device 005: ID 214b:7250 Huasheng Electronics USB2.0 HUB “This hub is junk: the chipset doesn't support
Windows may cut power to this low-priority hub to save energy, causing it to "disappear." Control Panel Power Options Change plan settings Change advanced power settings USB settings USB selective suspend setting Set both to 3. Check for Physical Power Constraints VID 214B devices are often bus-powered (they draw power from the PC).
Are you trying to from it, or just trying to get the hardware working again? Share public link
When plugged into modern operating systems, the device initializes using native platform configurations: Operating System Default Driver Package utilized usbhub.sys (Generic USB Hub Driver) Linux / Raspberry Pi OS hub.c (Kernel-level USB core module) macOS AppleUSBHub (CoreOS framework extension)