Windows 7通过USB连接Orbbec Persee驱动问题求助

Let’s tackle this unrecognized device issue with your Orbbec Persee—since it works perfectly with your TV, we can rule out hardware faults right off the bat. Here are some practical steps to get Windows 7 to recognize it properly:

• Reinstall the Orbbec driver manually
  Windows’ auto-detection might be missing the correct driver files. Head to Device Manager, locate the "Unknown Device" under Other devices, right-click it, and select Update Driver Software. Choose Browse my computer for driver software, then navigate to the folder where you installed the Orbbec Sensor Driver (typically in C:\Program Files\Orbbec\Driver or a similar path). Be sure to check Include subfolders so Windows can find the necessary .inf files. Also, double-check that the driver you downloaded is explicitly compatible with Windows 7—some newer packages prioritize Windows 10/11, which could cause issues.

• Switch up your USB setup
  Windows 7 can be picky with USB 3.0 ports for certain devices. Try connecting the Persee to a USB 2.0 port on your laptop first. Additionally, make sure you’re using a high-quality USB data cable (not just a charging-only cable)—flimsy cables often cause connection drops or unrecognized device errors. If you have a spare data cable that’s proven to work, give that a try too.

• Clear out conflicting software
  With OpenNI, Nuitrack, and Unity installed, there might be overlapping driver components causing conflicts. Start by uninstalling any existing Orbbec drivers via Programs and Features, then temporarily remove OpenNI (you can reinstall it later). Reboot your laptop, then run the Orbbec Sensor Driver installer as Administrator for a fresh setup. Reboot once more before connecting the Persee again.

• Update Windows 7
  Windows 7 lacks some modern USB device support out of the box. Ensure your laptop has all the latest service packs and updates installed—especially those related to USB controller drivers. Go to Control Panel > Windows Update to install any pending updates, then reboot and test the connection again.

A more advanced fallback: If the above steps don’t work, you can use the Zadig tool to manually install the libusb driver for the Persee. Keep in mind this is a last-resort option, as it might interfere with other sensor software down the line.

内容的提问来源于stack exchange，提问作者Owen Blacker