Laptop touchpad gestures (two-finger scroll, pinch zoom) stopped working
Windows downgraded the precision touchpad driver to a legacy PS/2 mouse fallback, disabling multi-touch gestures.
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Common Symptoms & Tells
- Basic pointer movement works, but two-finger scrolling and tap-to-click fail
- Settings → Bluetooth & devices → Touchpad lacks gesture configuration sliders
- Device Manager lists 'PS/2 Compatible Mouse' instead of 'I2C HID Device'
Interactive Fix Checklist
0 of 4 steps completedUpdate Intel Serial IO or AMD I2C Controller drivers
Precision touchpads communicate over the I2C bus. Install the Intel Serial IO / AMD I2C chipset driver from the laptop manufacturer's support site.
Update Synaptics / ELAN touchpad driver
In Device Manager → Human Interface Devices (HID) or Mice → right-click the touchpad device → Update driver → Search automatically for drivers.
Reset touchpad settings to default
Go to Settings → Bluetooth & devices → Touchpad → expand 'Touchpad' card → click the 'Reset' button.
Verify physical Fn lock switch
Ensure you have not accidentally toggled the physical touchpad disable key on your keyboard (often Fn+F9, Fn+F10, or a double-tap in the top-left corner of the touchpad).
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