If your PCI Serial Port driver is not working on your Windows computer, then try out the different solutions provided in this article.

PCI stands for Peripheral Component Interconnect. It is a local computer bus, which is used to connect gear to a computer. There is a type of computer link called a serial port that lets you connect your computer to a serial device and send data one bit at a time. It's a piece of hardware that is linked to the motherboard of your computer. Making sure you have the right driver update helps your system's hardware work well.

Your computer stops working right if the PCI card drivers, PCI network drivers, PCI audio drivers, or PCI Drivers for Windows devices are out of date, damaged, or missing. That's why PCI drivers need to be changed. A PCI Device Driver is a piece of software that makes a PCI device work properly. To fix these problems, you need to get the most recent PCI Device Driver for Windows. Hence, here we are providing some of the best ways to resolve PCI-related problems on your Windows systems.

Different Methods to Fix PCI Driver Not Working Issue
Below we have mentioned different ways to fix and update PCI drivers without using any Best Driver Updater Software.

Method 1: Run DISM and SFC Scans

Imagine for a second that the PCI drivers can't be installed because certain Windows Image files are missing or damaged. To resolve any difficulties and proceed with driver installation, you must first perform the System File Checker (SFC) scan, followed by the Deployment Imaging and Servicing Management (DISM) tool.

Method 2: Perform Clean Boot

If the above method doesn’t work in resolving the issue, then you need to figure out whether Windows is damaged or if the problem is caused by external software on your computer. This may be determined by running a Clean Boot, which will ensure that only the necessary applications and drivers are launched. The problem is with third-party applications if installing PCI drivers in Clean Boot Mode is not a problem. Windows and its components are to blame if it doesn't work. The perpetrator must be identified via a process of trial and error.

Method 3: Run The Antimalware Tool

Malware on your computer might be preventing the PCI driver from installing. You need to guard your computer from malicious software and other similar threats. Find the malware and remove it using the antivirus and anti-malware software that is installed on your computer.

Method 4: Update PCI Serial Port Driver

Inspect your Windows installation for any available updates and apply them. Updates for Windows may include the installation of PCI drivers. Device Manager, a third-party application that installs and updates drivers on your PC, is another option for installing drivers. The PCI driver is also available for download and installation on the manufacturer's website. Here are a few steps that will help you update the drivers using Device Manager.

Step1: Open the Start menu’s context list by right-clicking on the Windows icon present on the taskbar.

Step2: Choose the Device Manager option from the list of options.

Step3: On the Device Managers’s window choose the System Devices section.

Step4: Right-click on the PCI Serial Port driver to open its context menu.

Step5: Select the Update driver option from the context menu list.

Step6: This will open a new pop-up window on your screen, over there, choose the “Search automatically for drivers” option.

Step7: Wait for some time and then follow the instructions given on your screen to install the drivers properly.

Step8: After installing, restart your device.

Method 5: Run Windows Troubleshooter

You may quickly and simply solve any internal PC problems with the help of the troubleshooters that are available in Windows 11 and 10. If the PCI drivers still won't install, try running the Hardware and Devices troubleshooter. The problems will be detected and resolved automatically by the troubleshooter. Follow the steps below as they will guide you to use this troubleshooter to fix the problem.

Step1: Type Troubleshoot settings in the taskbar’s search bar and press the Enter key on your keyboard.

Step2: On the Settings window, click on the Additional troubleshooters link under the Recommended troubleshootings heading.

Step3: Now, expand the Hardware and Devices section by clicking on it.

Step4: Then, click on the Run the troubleshooter button to start the process.

Step5: Give your computer some time to analyze the issue. Next, follow the steps on your screen to fix the problem.

Step6: Once the troubleshooting is completed, reboot your system.

Final Thoughts

The PCI driver issue isn't a big deal, but it can be very annoying if you can't use certain gear that is attached to the PCI serial port. All you need to do is try the solutions above in the same order they are mentioned to fix the issue. However, if the issue still exists, contact Microsoft’s Support team or take your PC to a repair shop. Additionally, share your thoughts about this write-up in the comments box below.