However, problems may arise. The PCI drivers may be corrupted or outdated which will cause those components on your PC to stop working. This is why you should keep your drivers updated.

Where do I find PCI drivers?

PCI drivers can usually be found under Other devices or System devices in the Device Manager app and may appear with a specific name or called Unknown device. The latter is because your computer doesn’t recognize it. This guide will show how to recover your Unknown device and ensure they work on your Windows 11 computer. These solutions will also solve problems with the PCI Serial Port. Windows 10 users have also run into the same problem in the past. For the older system, the solutions are similar to this guide as they both may require downloading drivers from the manufacturer.

How to recover my Unknown devices and update PCI drivers?

1. Download and update PCI drivers

2. Update PCI driver from manufacturer’s website

3. Update the PCI device driver automatically

There are third-party tools like DriverFix that can automatically update PCI drivers without the need for manual intervention. Follow these steps to set up DriverFix to do this task for you: SPONSORED Otherwise, as seen in prior solutions, doing it manually takes time and needs extensive knowledge of the drivers you are looking for. ⇒ Get DriverFix

4. Other common PCI driver errors

The two solutions above will solve the majority of your problems with faulty PCI drivers. However, there are still a few solutions that you can try out if the previous one don’t work out.

What I do if I run into other installation issues with the PCI drivers?

You may run into the infamous Blue Screen of Death. Errors like these may be caused by the PCI BUS DRIVER INTERNAL error. It’s an annoying problem that can be easily solved by updating drivers, but you may have to check your hardware. Another failing may be attributed to the device needing further installation. This can be caused by poor driver management. Fortunately, the solutions for this problems are simple. Feel free to leave a comment below if you have any questions on other Windows 11 apps. Also, leave comments about reviews that you’d like to see or information on other Windows 11 features.

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