I just replaced Debian Stretch on an old Acer laptop with the latest stabel Manjaro.
Updated to 5,7 kernel.
The ALPS touchpad is recognized by kernel, by X, and by XFCE, but doesn’t work.
egrep -i alps /proc/bus/input/devices
N: Name=“AlmsPS/2 ALSP GlidePoint”
xinput lists AlpsPS/2 ALPS GlidePoint as id 12, i can disable and enable it. no help.
XFCE (or some other graphical configs) also see the touchpad.
The problem is - mouse doesn’t move, click buttons don’t work.
If it is recognized, please check if you disabled the touchpad in the UEFI/BIOS or maybe there is a hotkey to en/disable it.
It will be recognized by the kernel but is not usable when locked by hardware.
Otherwise maybe there is something in log?
Then turn off and on your touchpad.
i looked in bios, but there is very primitive bios without that option.
then i thought of function keys, and found a finger on a pad, pressed fn+f7 and it is solved.
very embarassing, but that is it.