Differences

This shows you the differences between two versions of the page.

--- lwc:chromebook [2021/10/12 05:46] – [Installing Gallium OS 3.1] John Harrison
+++ lwc:chromebook [2023/08/09 12:33] (current) – John Harrison
@@ Line 1: / Line 1: @@
 The procedure still seems a little unclear but some variation of:
+===== OBSOLETE =====
-===== Go into developer mode =====
+==== Go into developer mode ====
   * to get into root: <ctrl><alt><right-arrow>
@@ Line 7: / Line 7: @@
-===== Set friendly bios flags: =====
+==== Set friendly bios flags: ====
   * <ctrl><alt>t then type shell
@@ Line 35: / Line 35: @@
   * [[http://www.reddit.com/r/chrubuntu/comments/1rsxkd/list_of_fixes_for_xubuntu_1310_on_the_acer_c720/chsdgi6|fixes]]
-===== After installing Huge Green Bug's xubuntu 14.04 =====
+==== After installing Huge Green Bug's xubuntu 14.04 ====
   * disable right-clicking by clicking on right side of touchpad: add to ~/.xsessionrc: xinput --set-int-prop $ID "Button Right Click Enable" 8 0
@@ Line 41: / Line 41: @@
   * //note that both of the above commands assume that ID has already been set as already appears in .xsessionrc:// //ID=`xinput | grep cyapa | cut -f 2 | sed -e 's/id=%%//%%'`//
-===== Installing Gallium OS 3.1 =====
+==== Installing Gallium OS 3.1 on C720 ====
-  * remove [[https://www.chromium.org/_/rsrc/1381990807648/chromium-os/developer-information-for-chrome-os-devices/acer-c720-chromebook/c720-chromebook-annotated-innards.png|write protect screw]].
+  * remove write protect screw (#7 in [[https://www.chromium.org/_/rsrc/1381990807648/chromium-os/developer-information-for-chrome-os-devices/acer-c720-chromebook/c720-chromebook-annotated-innards.png|this photo]]).
-  * with machine off hold down <refresh>(f3) and <ESC> and <POWER> to transition to developer mode
+  * transition to developer mode:
+    * with machine off hold down ''<refresh>(f3)'' and ''<ESC>'' and ''<POWER>''
+    * when you get the message ''Chrome is missing is damaged'' type ''<CTRL>D''
+    * when you get the prompt to hit space hit ''<ENTER>''
   * go through initial setup and login as guest
   * <CTRL><ALT>T to get to terminal, then ''shell'' then ''sudo -s''
@@ Line 50: / Line 53: @@
   * boot from flash drive. Install
   * replace write protect screw?
+===== Install 22.04 on C720 or C740 =====
+  * everything works fine including sleep and audio.
+  * It *might* be necessary to not connect to the Internet when installing
+  * you still need to remove the write protect screw (see above obsolete section)
+  * you still need to install Mr. Chromebox firmware. While not required for C720 if something goes wrong it's still possible to boot Linux from USB. This does not appear to be the case with stock firmware.
+  * map keys correctly: [[https://xenomorph.net/google/chromebook/c740/ubuntu/|touchpad and key functions]]
+    * this seems to work only for the audio mute, - and + but not brightness
+    * for brightness perhaps a bad but successful approach is to replace ''/usr/share/X11/xkb/keycodes/evdev'' with {{ :lwc:evdev.txt |this file}} (remove the ''txt'' extension)
+===== Gallium on C202S(A) =====
+  * [[https://www.ifixit.com/Guide/Asus+Chromebook+C202+Motherboard+Replacement/74103|open back]]
+  * remove write protect screw (circled below)
+{{:lwc:motherboard.jpg?400|}}
+  * optional: [[https://www.ifixit.com/Guide/Asus+Chromebook+C202+Battery+Replacement/72756|remove battery]]
+  * reassemble
+  * install Mr. Chromebox firmware with their [[https://mrchromebox.tech/#fwscript|utility script]]
+  * if wanting Gallium [[https://galliumos.org/download|download Braswell]]