Synaptics SMBus Driver issues are very common, and the internet is loaded with inquiries to fix Synaptics SMBus Driver issue in Windows 10. Proper functioning of Synaptics SMBus Driver is important as it drives the touchpads in many of the laptops out there. A bad Synaptics SMBus Driver can either cause your laptop touchpad to completely stop working or touchpad scroll to stop working. The reason behind Synaptics SMBus touchpad not working could be a faulty driver, latest Windows 10 update messing with your driver, or some other reason.

In this article, we cover the possibilities that may lead to this issue. Accordingly, we will see how to fix Synaptics SMBus Driver issue to get your touchpad up and running. Let us begin.

The package provides the installation files for Broadcom SMBus Controller Device Driver version 1.3.0.660. A yellow exclamation point may display next to SM Bus Controller in Windows Device Manager. I have used CPUID to list what I have on the computer and the details are in a txt file which means nothing to me. Supported Systems Name Description Revision Number File Size Release Date Download Link Mac Pro (2019) with Radeon Pro 580x, Radeon Pro Vega II and Radeon Pro W5700X / W5500X MacBook Pro (Retina, 16-inch, 2019) with Radeon Pro 5300M and 5500M MacBook Pro (Retina, 15-inch, 2015-Present) iMac (Retina 4K, 21.5-inch, 2017-Present) iMac (Retina 5K, 27-inch, 2014-2019). All MacBook Air models have nonremovable batteries. So do MacBook and MacBook Pro models that were introduced in mid-2009 until the present, except for the 13-inch mid-2009 MacBook. This method is not recommended for Macs with the Apple T2 security chip introduced in 2018. Testing conducted by Apple in October 2020 using preproduction 13-inch MacBook Pro systems with Apple M1 chip, as well as production 1.7GHz quad-core Intel Core i7-based 13-inch MacBook Pro systems with Intel Iris Plus Graphics 645, all configured with 16GB RAM and 2TB SSD. Tested with prerelease Shapr3D 3.45.0 using a 288.2MB model.

#1 – Check For Latest Windows Driver Updates

The first thing for you to do is check for new Windows updates. If you find a new update, install it. Here’s how to do it:

Step 1: Open the Start menu on your PC by pressing the Start icon or by pressing the Windows button on your keyboard. Type Settings, then click on the Settings option that appears in the search result.

Step 2: In the Settings window, find and click on Update and security option.

Step 3: Now, in the new window, under the Windows Update section, click on Check for updates button. This will look if there are any new Windows updates available, and list them if there are any.

Step 4: Install all of the new updates.

Installing new updates will restart your Laptop. See if this method did fix Synaptics SMBus Driver issue. If not, then it’s time to roll back Synaptics SMBus Driver.

#2 – Roll Back Synaptics SMBus Driver

You can always roll back a driver update to get a device working on your laptop. Here are the steps to roll back driver updates to fix Synaptics SMBus touchpad issue:

Step 1: Open Device manager. To do so, press Windows + X keys together, then select Device Manager from the menu that opens up.

Step 2: In Device Manager window, look for Mice and other pointing devices option. Click on it to expand it. From the expanded list, double click on the Synaptics SMBus driver (in this case, Synaptics SMBus Touchpad); its Properties window will open.

Step 3: In the Properties window, go to the Driver tab. From there, click on the Roll Back Driver button.

After rolling back the driver updates, restart your laptop and check if this fix made your touchpad work.

There are chances that the Roll Back Driver button will be greyed out and unclickable. This means that you cannot roll back the updates.

In such case, you are left with the option to update the driver to fix Synaptics SMBus driver problem.

#3 – Update Synaptics SMBus Driver

There are two ways to update Synaptics SMBus Driver. If the first one fails, you can try the second one to resolve Synaptics SMBus Driver issue.

Method 1: Automatically Update Synaptics SMBus Driver

Step 1: Press Windows + X keys together. Sunny side up free download torrent. From the menu that appears, click on Device Manager.

Step 2: In Device Manager, look for Synaptics SMBus driver, as we did in Step 2 of #2 fix above. From the context menu, click on the Update Driver option. This will open a dialogue box.

Step 3: From the Dialog box, select the Search automatically for updated driver software option. This will look for the latest driver for your Synaptics SMBus touchpad.

If a new update is not found, you will get a message that The best drivers for your device are already installed.

If a new update is found, install the update. Restart your computer and check if the touchpad works. If it doesn’t fix Synaptics SMBus Driver issue, try Method 2.

Method 2: Install Synaptics SMBus Driver Manually

Macbook Pro Smbus Controller Driver Installer

To manually update the driver, download latest Synaptics SMBus Driver from your Laptop Manufacturer’s website. After downloading the driver, follow the steps 1 and 2 of Method 1 above. Then, from the dialogue box, select the Browse my computer for driver software option.

Browse and then select the downloaded driver to install it.

When the installation is complete, reboot your Laptop and check if this was a successful fix to Synaptics SMBus Driver issue. It didn’t work? Let’s try this one last thing.

#4 – Modify Synaptics Registry Key Value

You can fix Synaptics SMBus touchpad issue by changing the value of Registry key related to it. It’s very easy; here’s how to do it:

Step 1: Press Windows + R keys simultaneously to open the Run box. In the Run box, type regedit and then press Enter. This will open up the Regedit window. /pes-2017-apk-data-free-download-for-android.html.

Step 2: In the left pane of Regedit window that opens, look for the following registry key:

1. HKEY_LOCAL_MACHINE
2. SOFTWARE
3. SynTP
4. Install

When found, click on it.

Step 3: Now in the right pane, look for DeleteUserSettingOnUpgrade option, and double-click on it. After that, you will have to change its value to 0(zero). Save changes after entering the value.

Step 4: Restart you Laptop after applying registry changes.

After the restart, you can again check if this did fix Synaptics SMBus Driver issue.

Note: You need to be extra cautious while working with Registry. A single unwanted change in Registry can screw your computer up.

Macbook Pro Smbus Controller Driver Updater

Closing Words

If none of the above methods solved your issue with Synaptics SMBus Driver, then you have two options left. You can either talk to the tech support guys of your laptop manufacturing brand. Or, simply carry your laptop to the nearest service centre of your laptop’s brand. They will be able to help you in an easy and comprehensive way.

Change your display's refresh rate

The 16-inch MacBook Pro has a Retina display with an adjustable refresh rate.

Use the Touch Bar

The Touch Bar shows you intuitive shortcuts and app controls when you need them.

Use Touch ID on MacBook Pro

With Touch ID on your MacBook Pro, you can quickly unlock your Mac and make purchases using your Apple ID and Apple Pay — all with your fingerprint.

Find adapters for Thunderbolt 3 (USB‑C) ports

If the cable from your external display, hard drive, camera, or other device doesn't connect to your Mac, you might need an adapter.

Macbook Pro Smbus Controller Drivers

Use the Force Touch trackpad

Learn about the Force Touch trackpad, its features, and how to use it.

Check your startup security

Use Startup Security Utility to make sure that your Mac always starts up from your designated startup disk, and always from a legitimate, trusted operating system.

Use True Tone

True Tone makes the images on your Retina display appear more natural.

Get AppleCare+ for Mac

With AppleCare+, you’re covered. Get accidental damage coverage and 24/7 priority access to Apple experts.

Resources

Have a question?

Macbook Pro Smbus Controller Driver Download

Ask everyone. Our Apple Support Community can help you find answers.

Tell us how we can help

Answer a few questions and we'll help you find a solution.

Macbook Pro Sm Bus Controller Driver