By definition, a PCI (Peripheral Component Interconnection) The device driver is the program that allows a PCI device (any piece of computer hardware that plugs directly into a PCI slot on a computer’s motherboard) to function as expected. This article provides you with the actions you can take and where to download the PCI device driver if it is missing on your Windows 11 or Windows 10 computer.
What is a PCI device?
Different PCI devices use different drivers. If your PCI device driver is corrupt or missing, all you need to do is determine the manufacturer of the device and then visit that company’s website to get the driver. Examples of typical PCI devices or cards used in PCs: network cards, sound cards, modems, additional ports such as Universal Serial Bus (USB) or serial, TV tuner cards, and hard drive host adapters.
What PCI device has no driver?
The way a computer works as a system involves a mix of hardware and software peripherals. An example of this mix is a PCI hardware device, which like any other hardware connected to a Windows computer, needs a software driver to work – without this driver the device will not work.
PCI device driver missing on Windows computer
If a PCI device driver is missing on your Windows 11/10 computer, you will see a yellow exclamation mark next to one of your PCI drivers listed under Other devices Where Unknown devices section in Device Manager (as shown in the image above). This indicates the hardware that plugs into your computer’s MOBO, such as Simple PCI communication controllers and PCI data acquisition and signal processing controller.
If the PCI device driver is missing on your Windows 11/10 PC, you can download the driver in one of three ways: we will discuss the three methods in separate subheads as follows:
1]Manually download and install the PCI device driver
To manually download and install the PCI device driver on your Windows 11/10 computer, you can follow the instructions in this guide on how to find, download, and install drivers for unknown devices or hardware.
2]Download and install the PCI device driver through Device Manager
To download and install the PCI device driver through Device Manager, you can follow the instructions in this guide on updating drivers on Windows 11/10.
3]Download and install the PCI device driver through the manufacturer’s website
To download and install PCI device drivers through the PCI device / hardware manufacturer’s website, you can follow the instructions in our guide on where to download the drivers for Windows 11/10.
How do I find a missing device driver?
To see hidden device drivers on your Windows 11/10 computer, open Device Manager, click Seen in the menu bar, then check the Show hidden devices option. Once done, you should see a new category titled Non-Plug and Play Drivers.
What are the unknown devices in Device Manager?
Basically, unknown devices listed in Device Manager on your Windows 11/10 PC is when Windows cannot identify a piece of hardware and its associated driver. An “unknown device” is not just “unknown”, it just means that the connected hardware will not work until the correct driver for the device is installed / updated. By default, the Windows operating system can identify most devices and automatically download the corresponding drivers.
Similar article: The PCI serial port driver does not install on Windows 11/10.