Computer appears unknown device PCI 0 Device 29 error resolution

1. This problem occurs we need to check the correct installation of the motherboard chip sound card driver card, and then we have an unknown device or question mark in the Device Manager, as shown in the following figure;

2. Now we open the question mark error, and then you will see in the Open interface will see: Device PCI 0 device 29 function 0;

3. Then we will see in the hardware ID as shown in the figure: Pci\ven_8086&dev;

4. The driver with Intel USB3.0 is not installed properly, and the user is USB3.0 to recognize the device.

5. Now that we know what the problem is, we just have to install its driver can, at this time can download usb3.0 driver to install, installed the problem disappeared.