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#1 2016-08-18 13:44:23

dabbler0
Member
Registered: 2013-11-08
Posts: 7

Touchpad stopped working suddenly

Hi,

I have an Acer C720P Chromebook I've installed Arch on (natively, by partitioning). My touchpad has been working fine for a year or so and just today stopped working. Rebooting or restarting X doesn't help. Running

evtest

in a different VT yields no response when I interact with the touchpad, although everything works with the touchscreen or USB mice. Similarly

cat /dev/input/event10

outputs nothing when I interact with the touchpad.

Is there any way this might be resolvable through software? Or is it probably a hardware problem?

Out put of

evtest

:

/dev/input/event0:      AT Translated Set 2 keyboard
/dev/input/event1:      Lid Switch
/dev/input/event2:      Power Button
/dev/input/event3:      Sleep Button
/dev/input/event4:      Sleep Button
/dev/input/event5:      Power Button
/dev/input/event6:      Video Bus
/dev/input/event7:      PC Speaker
/dev/input/event8:      HD WebCam
/dev/input/event9:      Atmel maXTouch Touchscreen
/dev/input/event10:     Cypress APA Trackpad (cyapa)
/dev/input/event11:     HDA Digital PCBeep
/dev/input/event12:     HDA Intel PCH Mic
/dev/input/event13:     HDA Intel PCH Headphone
/dev/input/event14:     HDA Intel HDMI HDMI/DP,pcm=3
/dev/input/event15:     HDA Intel HDMI HDMI/DP,pcm=7
/dev/input/event16:     HDA Intel HDMI HDMI/DP,pcm=8
/dev/input/event17:     Logitech USB Optical Mouse

Output of

xinput list

:

⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ Cypress APA Trackpad (cyapa)              id=12   [slave  pointer  (2)]
⎜   ↳ Atmel maXTouch Touchscreen                id=13   [slave  pointer  (2)]
⎜   ↳ Logitech USB Optical Mouse                id=15   [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ Sleep Button                              id=10   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=14   [slave  keyboard (3)]
    ↳ HD WebCam                                 id=11   [slave  keyboard (3)]

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