How to Fix PCI Serial Port Driver Issues on Windows


Do you see a yellow mark next to PCI Serial Port when you open Device Manager?

PCI serial port

Yes, you’ve landed on the right page. This post will discuss how to fix Peripheral Component Interconnect (PCI) serial port driver issues. Peripheral Component Interconnect is used to connect monitors and printers. When it goes missing, you might face problems reading output devices. Since it is an industry-standard bus for attaching peripheral devices to a computer, you need to update them.

Here we will discuss how to update PCI and download a PCI serial port driver. You can have the latest and updated drivers using either method.

2 Best Ways To Fix PCI Serial Port Drivers Issues on Windows

update pci serial port driver

Method 1: Updating PCI Serial Port driver via Device Manager

This method requires you to know the device and operating system details. Also, an element of risk is involved with this method. Since you will be doing everything independently, your system might be bricked if you install an incorrect driver. Therefore, double-check each detail before downloading the driver on the website.

Method 2: Automatically download and update the PCI Serial Port driver via Advanced Driver Updater

Compared to the manual method, updating drivers automatically is less time-consuming. Also, there’s no need to collect device or operating system details. Also, when you use Advanced Driver Updater, the tool takes a backup of old drivers. This helps restore drivers if anything goes wrong.

Now that we know what both methods offer let us learn how to use them and fix PCI Serial Port Driver Issues on Windows.

Method 1: Manually Updating PCI Serial Port driver

1. Right-click the start menu > select Device Manager

device manager
2. Look for Other devices.
3. Double-click to expand it > right-click PCI Serial Port > Update driver.

update driver

This will open a new window here. Click Search automatically for drivers.

search automatically

5. Wait for Windows to detect if any updates are available.
6. If any are available, they will be downloaded automatically.
7. Restart the PC to apply changes and see if the PCI Serial Port issue is resolved.

Note : There might be instances when Microsoft fails to show driver updates. In such cases, you can check for the driver update by visiting the official website or can try using a driver updating utility Advanced Driver Updater.

Method 2: Auto-download & update of PCI Serial Port driver – Recommended

Developed by Systweak, Advanced Driver Updater is one of the best driver updating tools. This utility automatically recognizes your system and finds the correct driver for your system. You don’t need to know the system or device details to use it. Also, you don’t have to worry about installing incorrect driver updates.

Moreover, you can update drivers, and schedule driver updates with a few clicks. Advanced Driver Updater offers both Free and Pro versions. Using the free version, you have to update one driver simultaneously, while the registered version allows updating all outdated drivers simultaneously.

To use Advanced Driver Updater, follow these steps:

1. Download and install Advanced Driver Updater

2. Run the driver updating tool

Advanced Driver Updater
Click Start Scan now to scan the system for outdated drivers

Advanced Driver Updater scanning
4. Wait for the scan to finish
5. When done, review the scan results. If using the Free version, click Update Driver next to PCI driver. However, if you use a paid version, you can click Update All to update all outdated drivers.

update all outdated driver
6. Restart the PC to apply changes

Now check the system; the PCI driver should now be working.

PCI Serial Port Driver Issues Fixed on Windows 10 PC

Though the PCI driver problem might look minor, it does create a huge mess. When PCI serial port driver issues occur, everything seems to halt. Either you are unable to connect the hardware or access the connected one. In such cases, the best way to update PCI serial port driver in Windows 10 is to use Device Manager or Advanced Driver Updater.

If you are looking for our recommendation, we suggest using Advanced Driver Updater, as there is no risk involved, and the complete process is automated. Moreover, it comes with a 60-day money-back guarantee and is backed by a trained technical support team.

We hope you like the information we shared and were able to update PCI serial port driver Windows 10.

For any product-related queries, you can contact


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About The Author

Preeti Seth
Preeti Seth

A UX writer who loves explaining technical details in a clear, crisp, and concise manner. She loves writing about technical troubleshooting, How-To's, product reviews, etc. In her free time, she loves reading, meditating, and traveling.

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2 thoughts on “How to Fix PCI Serial Port Driver Issues on Windows

  1. Avatar for Larry Charles III Jr Larry Charles III Jr says:

    You have to re-install the COM1 AND LPT1 drivers and the problem goes away.
    Select the option to locate the file already on your computer. The select “com1 & lpt1” they will instatll and the error will go away.

    It’s nice to already own the solution.

    The files are already on your computer.

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