Do the PCI drivers listed under Other devices or Unknown devices in Device Manager have a yellow exclamation point next to them? Do you want to fix it?
You're not alone; a large number of Windows users are experiencing the same issue. In this article, we'll show you how to solve the yellow exclamation on PCI device drivers.
Here are the three most effective methods for updating the PCI Serial port driver on Windows 11, 10, 8.1, and 8. You don't have to attempt all of these stages; simply work your way down until you find the one that
works best for you.
What is a PCI driver, and what does it do?
PCI, or Peripheral Component Interconnect, is a piece of hardware that connects to the motherboard of your computer. The right driver update keeps your PC's hardware devices working properly. Your PC will stop working properly if these device drivers are corrupted, missing, or obsolete. As a result, you should keep your PCI driver up to current.
Why is it necessary to update PCI Device Drivers?
A PCI Device Driver is a piece of software that allows a PCI device to work properly. However, if you receive a PCI device driver error notice, the PCI driver does not appear in the ‘Device Manager,' or you see a ‘Yellow Exclamation Mark' on your PCI device, you must replace the outdated and damaged PCI Device Driver.
How to fix PCI device driver missing issue?
Method 1: Using Device Manager to manually update PCI device drivers
1. Go to Device Manager by pressing Windows + X.
2. Double-click Other devices, then right-click the PCI device with the yellow exclamation mark and select Update driver.
3. A new window will open with two options:
Drivers will be found automatically.
Look for drivers on my machine.
Select, Wait for Windows to hunt for driver updates and search for them automatically.
4. It may take a few minutes for the process to complete. Your PCI driver will be updated if an update is available.
5. If you do get the message, however, The optimal drivers for your device are already installed; nonetheless, we recommend using Windows Update to search for updated drivers.
6. Click Check for Updates, then download and install any updates that are available.
7. Restart the computer; this should resolve the issue.
If this does not work, proceed to the next option.
Method 2: Using the manufacturer's website to manually update PCI device drivers
If the preceding methods do not work, you will need to update the PCI driver on the manufacturer's website. To do so, you'll need the driver's information. To fix the PCI device driver missing Windows 11/10/8.1/8/7 issue, follow the steps below to gather information and update the PCI driver.
1. Go to Device Manager by pressing Windows + X.
2. Double-click Other devices > right-click the PCI driver that has a yellow icon next to it.
an exclamation point
3. Go to Properties, then to the Details tab, then to the Hardware Ids drop-down menu.
4. Make a note of the first hardware ID that appears.
5. Open a web browser and search for the driver update using the search engine.
6. Manually download the driver update by clicking the appropriate link. When doing so, double-check that the driver you're downloading is compatible with the Windows version you're running.
7. Install the Update by following the on-screen instructions.
8. To apply the changes, restart the computer. If this sounds like too much work, you can use Advanced Driver Updater to download the driver update automatically.
Method 3: Automatically update PCI device drivers (Recommended)
If the previous processes are not to your liking, you can use Advanced Driver Updater to update the PCI driver automatically.
Advanced Driver Updater instantly detects system and device details and finds the correct and appropriate driver update. You do not need to know the system configuration to use this powerful driver upgrading tool. The utility will detect all of the details automatically, saving you from downloading and installing incorrect driver updates.
You can use either the FREE or the PRO version of Advanced Driver Updater to update the missing PCI driver. The Pro version allows you to update all of your drivers at the same time. However, if you use the trial version, you will have to manually update each driver. The registered version also includes a 60-day money-back guarantee as well as technical support. This article will show you how to utilize Advanced Driver Updater.
1. Get Advanced Driver Updater and install it.
2. Run Advanced Driver Updater and click Start Scan Now. Wait while Advanced Driver Updater scans your computer and detects problematic drivers.
3. Go over the scan results and make sure the PCI device driver is up to date. You must click the Update driver next to it if you are using the trial version. If you are a registered user, however, you may use the Update All button to update all outdated drivers at once.
4. To apply the changes, restart the system after updating the driver.
You may upgrade the PCI serial port driver and resolve the PCI device driver yellow exclamation mark issue by following these simple steps.
We hope the information is useful to you. If manually upgrading the driver is too time consuming for you, we recommend using Advanced Driver Updater. The powerful driver updating tool will make it simple to update drivers and prevent you from having to deal with driver-related issues in the future.
Please share any questions or recommendations in the comments section below.