Manufacturer drivers are optimized for your specific hardware. If Windows Update broke your scrolling, installing the official OEM driver usually fixes it instantly.
Based on Microsoft Support documentation and field analysis, the following tiered procedure resolves >90% of touchpad driver issues: windows 10 touchpad drivers
| Failure Mode | Symptom | Likely Root Cause | Error Code (Device Manager) | |--------------|---------|-------------------|------------------------------| | | Touchpad not listed in Settings | Windows Update disabled or missing PTP firmware | Code 28 (No drivers installed) | | Driver Conflict | Cursor jumps erratically | Conflicting OEM and Microsoft drivers simultaneously active | Code 31 (Device not working) | | Registry Corruption | Gestures revert to basic mode | Corrupted HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\PrecisionTouchpad | None; behavior change only | | Firmware Incompatibility | Touchpad freezes after sleep | I2C power management conflict | Code 43 (Reported problem) | The best way to fix this is to
| Component | File Name | Source | Role | |-----------|-----------|--------|------| | Class Driver | HIDClass.sys | Microsoft | Enumerates HID collections | | Touchpad Driver | Touchpad.sys | Microsoft | Processes contacts into gestures | | OEM Miniport | SynTP.sys (Synaptics) | OEM | Converts hardware signals to HID | | User Service | TouchpadUserService.dll | Microsoft | UI for sensitivity/palm rejection | the following tiered procedure resolves >
If updating doesn't work, the driver file might be corrupted. The best way to fix this is to remove the driver entirely and let Windows rebuild it from scratch.