Share this article

Improve this guide

PCI Express Root Port Driver Windows 11: Installation/Update Guide

7 min. read

Published onAugust 1, 2024

published onAugust 1, 2024

Share this article

Improve this guide

Read our disclosure page to find out how can you help Windows Report sustain the editorial teamRead more

Are you wondering how to install the PCI Express Root Port driver in Windows 11? You’ll find the steps in this detailed guide.

If your PCI Express Root Port driver is outdated or corrupted, you’ll mostly face the following issues:

However, if you’re seeing warnings from a third-party driver updater but there are no apparent issues related to the PCI Express hardware, you can rest easy.

In this scenario, you don’t need to take any action. The driver updater is likely just trying to get you to buy a subscription.

How To Install PCI Express Root Port Driver Windows 11

I’ve organized various ways to download and update the driver, starting with the simplest ones:

Via Windows 11 Device Manager Tool

If the PC is connected to the internet, try these steps:

If you’re not connected to the internet, follow these instructions untilstep 7and select theBrowse my computer for driversoption.

You should see the file browsing interface. HitBrowseand select theWindowsdirectory within theWindows 11 setup drive.

Using the Intel Chipset Driver Package

All motherboard manufacturers provide the relevant Intel Chipset driver as a DVD or in digital form online.

For example, if your PC is running on a Gigabyte B660M DS3H AX motherboard, you can download the compatible Intel Chipset driver fromGigabyte’s official website.

First, you’ll have tofind out its make and model from the System Information tool in the Start menu.

An information window will open where you’ll find details including theBaseBoard Manufacturer and Product names.

Now, search Google with phrases likeGigabyte B660M DS3H AX chipset driver. It should show you the driver download portal at the top of the search results.

Once there, download and install the following driver files:

Via Windows 11 Updater

If you haven’t updated the PC for quite a while, your system might be missing the latest PCI Express Root Port drivers. So, update by following these steps:

Using the PowerShell Terminal

If you’ve downloaded the required PCI Express Root Port driver files from a third-party source and you’re wondering how to install them, follow these steps:

Run the SFC and DISM Scans

You might not need to install a driver to fix the yellow triangle warnings for multiple PCI Express Root Ports in the Device Manager. Instead, you can simply run anSFC scanto fix the existing driver files:

Restart the PC so that the changes can take effect.

However, if you see the following message, you’ll also have to do aDISM scan:

Here’s how to perform a DISM scan:

Usually, you’ll get the following result.

You can reboot the PC and check if the relevant hardware or software is working now.

Perform a System Restore

Has the newly added or existing PCI Express hardware worked as expected before? If so, you don’t necessarily need to troubleshoot the PCI Express Root Port driver issue separately. A system restore can fix the issue for good.

This method is applicable only if you’ve enabled theWindows System Restorefeature previously.

Repair the Windows 11 OS

First, make sure you haveWindows 11 Bootable USB installation mediaat hand. Now, follow these steps:

Summary

So, there you have it! These are the tried and tested methods to update or download the PCI Express Root Port driver for Windows 11.

If you keep seeing warnings from third-party driver updater tools without experiencing real issues, you can ignore this. However, if you’re facingdevice PCI problemsfor real, these troubleshooting ideas are worth checking out.

PCI Express Root Port Driver Windows 11: Installation/Update Guide#

How To Install PCI Express Root Port Driver Windows 11#

Via Windows 11 Device Manager Tool#

Using the Intel Chipset Driver Package#

Via Windows 11 Updater#

Using the PowerShell Terminal#

Run the SFC and DISM Scans#

Perform a System Restore#

Repair the Windows 11 OS#

Summary#