Download the Missing PCI Device Driver for Windows
A "PCI device driver missing" error or a yellow exclamation mark in Device Manager may appear on Windows. This article provides solutions to resolve the issue and restore functionality.
1. Use a Driver Management Tool
Outdated or corrupted drivers are common causes of the "missing PCI device driver" issue in Windows. Updating your device drivers promptly can effectively resolve this problem. Using Driver Sentry is recommended for automatically detecting and updating drivers, saving time while avoiding incorrect downloads or installations.
Download the latest version of Driver Sentry and install it. Open the software and click "Scan".
After the scan, you'll see a list of drivers that need installation or updates. Locate the PCI device driver and click "Upgrade".
Once the update is complete, restart your computer to ensure the new driver is applied correctly.
2. Check the Device Status in Device Manager
Press Windows + X and select "Device Manager" from the menu.
In Device Manager, expand the "Other Devices" or "PCI Controller category" to check for any devices with a yellow exclamation mark (indicating an issue).
For devices with issues, right-click the device and select "Properties".
In the "Device Status" tab, view the detailed information about the device.
If it states "Driver missing", right-click the device, choose Update Driver, and then select "Search automatically for updated drivers".
3. Obtain the Driver via Windows Update
Press Win + I to open "Settings", and go to "Update & Security" > "Windows Update".
Click "Check for updates". If updates are available, click "Install updates" and follow the instructions.
After installation, restart your computer to ensure all updates are applied.
Return to Device Manager to confirm that the PCI device driver has been successfully installed or updated.
4. Manually Download the PCI Device Driver
Press Win + R, type "devmgmt.msc", and press Enter to open Device Manager.
In the toolbar, click "View" and select "Show hidden devices".
Expand the "Other Devices" or "Unknown Devices" category, right-click your PCI device, and select "Properties".
In the Properties window, switch to the "Details" tab. From the "Property" dropdown menu, select "Hardware Ids".
Copy the first value and paste it into a search engine.
For more accurate results, add keywords like "driver" or your operating system's name after the hardware ID.
Choose a suitable driver from the search results. Download and install it from the official provider's website or a trusted source.
5. Check for Hardware Issues
Turn off the computer and disconnect the power supply.
Check if the PCI device is securely connected or if it's physically damaged.
Try inserting the device into a different PCI slot to rule out a slot-related issue.
If the problem persists, contact the device manufacturer or a professional technician for further diagnosis and repair.
Follow these steps to install the PCI device driver. If the issue persists, contact technical support for assistance.
See also:
Resolve the Realtek High Definition Audio Not Plugged In
How to Fix Windows 10 'Audio Device is Disabled' Issue
