Fixing the SM Bus Controller Driver for Better Wi-Fi Speeds

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If you’re facing issues with your home PC’s SM Bus Controller driver, don’t worry! You’re not alone. Many users encounter similar problems, especially when dealing with older hardware and drivers. In this guide, we’ll walk you through the steps to resolve the missing SM Bus Controller driver issue on an HP 18E4 Baseboard, which may help restore the performance of your Intel AX210 Wi-Fi card.

Step 1: Identify the Problem

You’ve already noticed that your SM Bus Controller driver is missing and suspect it’s affecting your Wi-Fi speeds. This could impact your computer’s performance, particularly with tasks that rely on fast data transfers.

Step 2: Check for Driver Updates

Open Device Manager: Right-click on the Windows Start button and select "Device Manager."
Locate the SM Bus Controller: Here, you’ll find a list of devices. Look for “Other devices” and check for the SM Bus Controller. It may have a yellow exclamation mark next to it, which indicates there’s a problem.

Step 3: Find the Correct Drivers

Since the HP website may not have the needed drivers, follow these steps to locate the necessary software:

Visit the HP Support Page: Enter your PC model on the HP support site and check if there are any available drivers for your specific model.
Use a Driver Update Tool: If the HP site doesn’t have what you need, consider using a reliable third-party driver update tool. These programs can search for the correct drivers automatically and install them for you.

Step 4: Install the Driver

Once you find the correct driver:

Download the Driver: Follow the instructions provided by the driver update tool or HP support page to download the driver.
Install the Driver: Double-click the downloaded file and follow the on-screen prompts to complete the installation.

Step 5: Restart Your Computer

After installation, it’s crucial to restart your computer. This helps to ensure that the changes take effect and allows the system to recognize the new driver.

Step 6: Test Your Wi-Fi Connection

Once your PC restarts, check the Wi-Fi speeds to see if they’ve improved. You can run a speed test online to compare your speeds with your laptop.

Accepted Solution: Update the SM Bus Controller Driver

Updating the SM Bus Controller driver can significantly enhance your system’s overall performance. If the above steps don’t resolve the issue, consider reaching out to HP customer support for further assistance.

By following these steps, you should be well on your way to resolving the missing SM Bus Controller driver issue and restoring your Wi-Fi card’s performance. Good luck!