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toshiba/swanky: reword guide

This commit is contained in:
Yegor Timoshenko 2018-08-24 14:12:28 +03:00
parent 631e81ce5e
commit e1804a0fdc
1 changed files with 16 additions and 13 deletions
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toshiba/swanky/README.md
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@ -9,11 +9,11 @@ generally just works much better.
These instructions carry some risk of bricking your device, since you'll be
reflashing BIOS. Risk is rather low, but please for the love of god make a BIOS
backup and store it someplace safe. That's the only way to reinstall ChromeOS
back after this procedure (BIOS image has licensing info), and it's the easiest
way to unbrick (it's nice to be able to return to the last good state).
back after this procedure (BIOS image has licensing info), and it's much easier
to use a known good state to unbrick the laptop if things go wrong.
If you ever get unlucky, you can unbrick your device using a makeshift programmer
based on Raspberry Pi or BeagleBone Black, some cables and a SOIC clip, see:
If you ever get unlucky, you can unbrick your device using Raspberry Pi,
some cables and a SOIC clip, see:
http://sicarul.com/how-to-un-brick-your-toshiba-chromebook-2-gandof-without-invoking-any-demons/
## Enable developer mode
@ -21,23 +21,25 @@ http://sicarul.com/how-to-un-brick-your-toshiba-chromebook-2-gandof-without-invo
This will wipe all user data and settings from the laptop.
Power off, then hold ESC + Refresh (F3) and abruptly press power button. You
should see "Chrome OS is missing or damaged" message, press Ctrl+D. Press enter
should see "Chrome OS is missing or damaged" message. Press Ctrl+D. Press enter
at the next screen, then press Ctrl+D again. Wait until the laptop boots into
ChromeOS, then power it off.
## Disable hardware-backed BIOS write protection
Follow guide at: https://github.com/brendenyule/NativeToshibaCB2Guide/wiki/Remove-Write-Protect
Follow the first part of the guide at:
https://github.com/brendenyule/NativeToshibaCB2Guide/wiki/Remove-Write-Protect
Ignore 2.2, only follow the first part of the guide. I also placed some ductape
over #5 to make sure that metallic motherboard shield would not re-enable write
protection.
Ignore SeaBIOS section. I also used some ductape over #5 to make sure that
metallic motherboard shield would not re-enable write protection.
## Flash Coreboot + Tianocore BIOS
Go through installation dialogues until you have network access and are able to
log into Guest session. Open Chrome, press Ctrl+Alt+T to open `crosh`, type in
`shell` to get a real shell. Then, run:
Prepare a FAT32-formatted flash drive for BIOS backup in advance.
Go through ChromeOS installation dialogues until you have network access and
are able to log into a guest session. Open Chrome, press Ctrl+Alt+T to open
`crosh`, type in `shell` to get a real shell. Then, run:
```
$ cd ~
@ -45,7 +47,8 @@ $ curl -LO https://mrchromebox.tech/firmware-util.sh
$ sudo bash firmware-util.sh
```
Choose option 3. Do not skip BIOS backup!
Choose "Install/Update Full ROM Firmware" option and follow instructions.
Do not skip BIOS backup!
Documentation: https://mrchromebox.tech/#fwscript