在 YOGA 920 上，触摸板通常可以正常工作，但在从我很少使用它的 T420 克隆主目录后，触摸板停止工作。在我登录之前，它一直处于活动状态。当我触摸它时有流量，/dev/input/event7但xinput显示它已禁用：
Device Enabled (138): 0
当我尝试启用它时，它很快就被启用，但是某些东西又立即将其禁用：
Property 'Synaptics Off' changed.
Synaptics Off (319): 0
Property 'Synaptics Off' changed.
Synaptics Off (319): 2
Property 'Device Enabled' changed.
Device Enabled (138): 1
Property 'Device Enabled' changed.
Device Enabled (138): 1
Property 'Synaptics Tap Action' changed.
Synaptics Tap Action (322): 2, 3, 0, 0, 1, 3, 0
Property 'Synaptics Edge Scrolling' changed.
Synaptics Edge Scrolling (316): 0, 0, 0
Property 'Synaptics Two-Finger Scrolling' changed.
Synaptics Two-Finger Scrolling (317): 1, 1
Property 'Synaptics Edge Scrolling' changed.
Synaptics Edge Scrolling (316): 0, 0, 0
Property 'Synaptics Two-Finger Scrolling' changed.
Synaptics Two-Finger Scrolling (317): 1, 1
Property 'Synaptics Scrolling Distance' changed.
Synaptics Scrolling Distance (315): 29, 29
Property 'Device Enabled' changed.
Device Enabled (138): 0
Property 'Device Enabled' changed.
Device Enabled (138): 0
是什么原因导致它无法使用？也许是 Yoga Tablet 模式出了问题？但键盘处于活动状态。HW 键正在禁用 上的活动/dev/input/event7。
答案1
触摸板在设置中被禁用。
