Installing Ubuntu linux Asus C302C or Acer spin 713 Chromebooks
Check here how to flash the rom
Check here to see if you should use Legacy or UEFI ROM
Asus C320C write protection removal
Removed screw and close your laptop to enable the bios be overwritten
https://www.asty.org/location-of-asus-c302c-write-protect-screw/
Acer spin 713 (cp713-3W) write protection removal
Disconnect the battery cable, be care full since the battery is lose, when you remove the screws and remove the cover. I use one of those plastic phone openers to go around the edge, if you open the screen a little bit, is easy to insert the plastic or your nails to start poping the metal bottom. since the battery is lose, put the laptop horizontal before finishing removing the bottom cover.
after that
Used mrchromebox to install a new bios on the asus chromebook
I installed Ubuntu 23.04 and upgraded to Ubuntu 23.10 on the command line
do-release-upgrade -d
Enabled Secure Boot on the Bios after installing Ubuntu 23.10
Sound
Fix sound on Ubuntu 23.10 by installing drivers using
https://github.com/eupnea-linux/audio-scripts
Headset and HDMI sound works as designed after the script is executed.
You can use the cmd below to restart the sounds service, in case it stops working.
systemctl --user restart pipewire.service
trackpad
I installed
sudo apt install gnome-tweaks
To enabled right click on the trackpad with 2 fingers, and used the track-pad settings to increase acceleration.
Firefox touch support
This worked for me:
edit
/etc/security/pam_env.confand addMOZ_USE_XINPUT2 DEFAULT=1reboot and restart firefox
Status
Status
Laptop is fully functional, besides the problems listed below. Battery life time is awesome. trackpad, wifi, bluetooth, physical power volume buttons, sleep, hibernate, power modes, usbc hdmi video/sound work as designed.
Video Meetings work fine on chromium browser on Firefox video and sound is using a lot of CPU and freezes the browser.
For the Acer spin 713
Problems I still have
2 - tablet mode
Does not disable the keyboard and trackpad in tablet mode, or pop the software keyboard when needed. Rotation works fine
3 - USB C external monitor is not working, not idea why.
For the Asus C302C
Fix keyboard special keys
cd ~/Downloads; sudo apt-get -y install curl; curl -LOk https://github.com/fascinatingcaptain/CBFixesAndTweaks/archive/master.tar.gz; tar -zxvf master.tar.gz; cd CBFixesAndTweaks-master; sudo -E bash CBFixesAndTweaks.sh
This copies the /usr/share/X11/xkb/symbols/pc file with a new included in the tgz.Fix sound pops
Remove Pops from sound speakers using this
https://superuser.com/questions/1493096/linux-ubuntu-speakers-popping-every-few-seconds
but I still get the pops sometimes, but less.
Problems I still have
1 - soundcard
the
sounds card works with a headset and udbc/hdmi monitor after using the
github scripts, but it shows 4 hdmi devices and a soundcard and 2 mics.
The soundcard does not work with the laptop speakers.
2 - tablet mode
screen does not rotate, in tablet mode. also it does not disable the keyboard and trackpad in tablet mode.
Bios Update
Use https://mrchromebox.tech/ instructions
cd; curl -LO mrchromebox.tech/firmware-util.sh && sudo bash firmware-util.sh
Make sure secure boot is disable on the bios otherwise the script won't be able to update the bios, you can re-enable after the update.
References
Another set of linux adio scripts that are not test on ubuntu, but should work.
https://github.com/WeirdTreeThing/chromebook-linux-audio
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