synaptics smbus driver - Synaptics SMBus TouchPad Driver

Looking for the right synaptics smbus driver for stable system performance? You’re in the right place. Below you’ll find a clean download, clear version details, supported systems, and step‑by‑step install help for your Synaptics SMBus TouchPad Driver driver.

Download Details

Driver model: Synaptics SMBus TouchPad Driver

Device Type: Input Devices

Supported OS: Windows 7 32-Bit, Windows 8 32-Bit, Windows 10 32-Bit, Windows 11

Driver Version: 16.2.16.4

Date added: 2025-10-31

Note: This synaptics smbus driver is verified for 32‑bit Windows builds listed above and is suitable for SMBus controller stability and touchpad communication layers.

Click on the download link.

How to install

Troubleshooting

• Device not found: Ensure the SMBus Controller is present in Device Manager. If hidden, enable View → Show hidden devices.
• Driver signature errors: Boot with advanced startup → Disable driver signature enforcement, then install the synaptics smbus driver and reboot normally.
• Still using Microsoft basic driver: Uninstall the existing SMBus/Touchpad driver (keep device), reboot, then reinstall this package.
• Windows Update rollback: After installing, pause Windows Update temporarily to prevent automatic downgrades.
• Compatibility: This package targets 32‑bit Windows. If you’re on 64‑bit, obtain the correct architecture build.

FAQ

What is the synaptics smbus driver used for?

It provides the SMBus communication layer many touchpad and system components rely on, ensuring proper detection, power management, and stable input behavior.

Do I need this if my touchpad already works?

Yes, keeping the SMBus driver current can improve stability, fix intermittent gestures, and resolve device detection issues.

How can I cleanly update from an older version?

Create a restore point, uninstall the old SMBus or touchpad package from Apps/Features or Device Manager, reboot, then install 16.2.16.4 and restart again.

Is this specific to my hardware?

It is intended for Input Devices that use Synaptics SMBus components and matches the Synaptics SMBus TouchPad Driver driver release.

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