Many Windows users find an unknown device “PCI Data Acquisition and Signal Processing Controller” in Device Manager. What is it? How to get rid of the issue? Let’s explore the answers together with MiniTool.
According to user reports, the PCI Data Acquisition and Signal Processing Controller driver is often marked with yellow exclamations under the Other devices category in Device Manager. This driver can appear on various brands of computers such as Dell, HP, and ASUS. When searching for this driver, you may find different answers from many forums and communities. Here’s a true example from the answers.microsoft.com forum:
I used the Device Manager to check out which drivers were installed and which were not. I was able to get most of the drivers correctly installed however, the Device Manager is saying I am missing the “PCI Data Acquisition and Signal Processing Controller” driver. Unfortunately, I have to go to Asus’s website to see if I can find the driver however, I am unable to do so at this time. How to fix that?
What Is PCI Data Acquisition and Signal Processing Controller
What is PCI Data Acquisition and Signal Processing Controller? PCI, also known as Peripheral Component Interconnect, is a type of old local computer bus. It’s used for attaching certain hardware devices like network cards, disk controllers, and sound cards to a computer. Usually, you can find various types of PCI device drivers installed in Device Manager.
However, sometimes the PCI Data Acquisition and Signal Processing Controller drive is marked with a yellow exclamation under the Other devices category in Device Manager. The error often indicates your some important device drivers like network card drivers are missing or off.
Where to get the missing PCI Data Acquisition and Signal Processing Controller driver downloaded again? How to get rid of the unknown device? Let’s keep reading.
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How to Fix the Unknown Device PCI Data Acquisition Error
How to fix the unknown device PCI Data Acquisition and Signal Processing Controller issue? When an unknown device is marked as a yellow exclamation in Device Manager, you need to install or update available device drivers for your computer. At the same time, make sure you get the driver from a trusted source according to your laptops.
Here’s how to fix the PCI Data Acquisition driver missing issue on your laptops.
Step 1. Open the support website of your computer and navigate to the drivers or software section.
Step 2. Then you should find a list of available device drivers to download and pay attention to the network card drivers or chipset drivers.
Step 3. Select your operating system and click on Download to download the right device driver for your computer. Here we take intel chipset drivers for example.
Step 4. Press the Win + R keys to open the Run dialog box, and then type devmgmt.msc in it and hit Enter to open Device Manager.
Step 5. Locate the Other devices category and right-click the PCI Data Acquisition and Signal Processing Controller driver and select Update driver.
Step 6. Select the Browse my computer for drivers option and continue.
Step 7. In the popup window, click on Browse and locate the Intel chipset driver you just downloaded, and click on Next.
Step 8. Follow the on-screen instructions to install the driver. Once installed, restart your computer and open Device Manager to see if the unknown device is cleaned.