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安装 16.04.1 后触摸板和键盘出现问题

tag-icon • tag-icon 16.04 keyboard touchpad synaptics
安装 16.04.1 后触摸板和键盘出现问题

我的键盘反应非常慢，使用触摸板时光标跳动、滞后并且随机点击。键盘和触摸板在实时 USB 中工作正常，安装后一天内也是如此。有人知道如何修复它吗？我找不到有关此问题的任何信息。

另外，我必须提一下，三到四个小时后，触摸板和键盘无需我的干预即可正常工作，并且xinput --watch-props 12显示的输出与以前完全相同。但每次重启后问题都会再次出现。

my@toasty-buns:~$ xinput --watch-props 12
Device 'ETPS/2 Elantech Touchpad':
Device Enabled (139):   1
Coordinate Transformation Matrix (141): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (266): 1
Device Accel Constant Deceleration (267):   2.500000
Device Accel Adaptive Deceleration (268):   1.000000
Device Accel Velocity Scaling (269):    12.500000
Synaptics Edges (270):  130, 3130, 96, 1697
Synaptics Finger (271): 1, 1, 0
Synaptics Tap Time (272):   180
Synaptics Tap Move (273):   163
Synaptics Tap Durations (274):  180, 100, 100
Synaptics ClickPad (275):   1
Synaptics Middle Button Timeout (276):  0
Synaptics Two-Finger Pressure (277):    282
Synaptics Two-Finger Width (278):   7
Synaptics Scrolling Distance (279): 74, 74
Synaptics Edge Scrolling (280): 0, 0, 0
Synaptics Two-Finger Scrolling (281):   1, 1
Synaptics Move Speed (282): 1.000000, 1.750000, 0.053763, 0.000000
Synaptics Off (283):    2
Synaptics Locked Drags (284):   0
Synaptics Locked Drags Timeout (285):   5000
Synaptics Tap Action (286): 2, 3, 0, 0, 1, 3, 0
Synaptics Click Action (287):   1, 3, 0
Synaptics Circular Scrolling (288): 0
Synaptics Circular Scrolling Distance (289):    0.100000
Synaptics Circular Scrolling Trigger (290): 0
Synaptics Circular Pad (291):   0
Synaptics Palm Detection (292): 0
Synaptics Palm Dimensions (293):    10, 200
Synaptics Coasting Speed (294): 20.000000, 50.000000
Synaptics Pressure Motion (295):    30, 160
Synaptics Pressure Motion Factor (296): 1.000000, 1.000000
Synaptics Resolution Detect (297):  1
Synaptics Grab Event Device (298):  0
Synaptics Gestures (299):   1
Synaptics Capabilities (300):   1, 0, 0, 1, 1, 1, 1
Synaptics Pad Resolution (301): 32, 32
Synaptics Area (302):   0, 0, 0, 0
Synaptics Soft Button Areas (303):  1630, 0, 1470, 0, 0, 0, 0, 0
Synaptics Noise Cancellation (304): 18, 18
Device Product ID (259):    2, 14
Device Node (260):  "/dev/input/event5"
Property 'Synaptics Off' changed.
Synaptics Off (283):    0
Property 'Synaptics Off' changed.
Synaptics Off (283):    2

答案1

问题是我的电池不能用，更换电池后触摸板和键盘就正常了。

答案2

因为您可能在系统设置 → 通用访问 → 键入中打开了“慢键”选项。请将其关闭在此处输入图片描述：

或者尝试关闭屏幕阅读器。在系统设置 → 通用访问 → 查看下进行检查。确保屏幕阅读器已设置为关闭。

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