Christopher, the update BIOS is not solve this issue.
Output from commands [sudo dmidecode -s bios-version && sudo dmidecode -s
bios-release-date]:
A08
07/13/2015
I check the modules loaded on that system and found some problem with the
driver is locked each other.
The touchpad is working after disabled i2c_hid driver [
modprobe.blacklist=i2c_hid ]
xinput output:
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ ELAN Touchscreen id=10 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=13 [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)]
↳ Integrated_Webcam_HD id=11 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=12 [slave keyboard (3)]
↳ Dell WMI hotkeys id=14 [slave keyboard (3)]
** Attachment added: "synclient output after i2c_hid driver blocked via kernel
parameter"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1522793/+attachment/4530802/+files/synoclient.log
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1522793
Title:
[Dell Inspiron 5547] Touchpad not working
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