A cold dread washed over Synaptics. The USB mouse driver—a snotty, arrogant little program named Logitech—booted up instantly.
Surprisingly smooth and reliable – a huge upgrade from older Acer trackpads Rating: ⭐⭐⭐⭐½ (4.5/5)
If you have an external mouse, go to Settings > Bluetooth & devices > Touchpad and toggle it On .
Touchpad drivers not worling on Windows 10! - Acer Community
The cursor moved... but it lagged. The scrolling was jerky. It was usable, but ugly. Synaptics was limping.