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I bought a new acer aspire E5-521 and installed ubuntu 14.04, but the touchpad doesn't work from the beginning. I already tried xserver-xorg-input-synaptics. It says a newer version is already installed. Then I tried what it says in the Debugging and it doesn't recognise the touchpad at all. Unfortunately I have no USB-Mouse to try if it`s working... What can I do? Thank you for your help!

Jan
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therry
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3 Answers3

1

Latest kernels should fix that, as mentionned on Launchpad.

Reported working on 3.17-rc6

You can find 3.17 kernel in DEB package on http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-utopic/

Piece of warning: you might encounter some issues with kernels not released by Canonical (ubuntu), but it should anyhow "work".

MrVaykadji
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Try a new kernel as mentioned.

It works for my Aspire E5-571.

See https://askubuntu.com/a/557370/355307

Community
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cholland
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I had a long fight to get the touchpad working (in basic mode, no 2-finger scrolling), finally working:

i8042.nopnp is needed for the problematic ACER Aspire E15 E5-573-C1SG touchpad (no Advanced/Basic mode for touchpad in "F2" BIOS)

/boot/vmlinuz-4.6.1 root=/dev/sda3 ro init=/sbin/e4rat-preload i8042.nopnp i8042.kbdreset psmouse.proto=imps ATHDELAY=1

ABOVE is for touchpad, below was "delayed modprobe ath10k_pci" (workaround) solution for WIFI ath10k_pci reproducibly crashing kernel on same Acer Aspire notebook:

If not blacklisted (or compiled in kernel), ath10k_pci crashes kernel...

Also crashes if started after x or if started too early (when would be safest ???) sleep 4 usually works:

To adjust sleep time (seconds), parse /proc/cmdline for ATHDELAY=1 or =88888 to postpone :

$ cat /etc/rc.local  # reminder: chmod +x /etc/rc.local
ATHD=`cat /proc/cmdline|awk '{for(i=1;i<=NF;i++){if($i ~ /^ATHDELAY=/){sub(/^ATHDELAY=/,""); print $i}}}' ` ; SLP=$(($ATHD+3)); (sleep $SLP; modprobe ath10k_pci ) &

This worked under Debian Jessie and custom compiled Linux 4.6.1 x86_64 kernel, but (HW + kernel specific, so) might apply to other distros/setups. Marcell Gal, Hungary

MUST be module BUT blacklisted under linux 4.6.1 otherwise KERNEL CRASH at boot.

modprobe ath10k_pci works a few seconds after boot, and no crash, wifi works perfectly !

$ cat /etc/modprobe.d/ath10k-blacklist.conf
blacklist ath10k_core
blacklist ath10k
blacklist ath10k_pci
yoniLavi
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Marcell Gal
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