[Guide] Dualboot (Acer Iconia W700) Windows 8 - Android

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cert_

Member
Jul 10, 2008
24
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Many years later :) My device (Acer Iconia W701) is still working and i reinstalled operating systems yesterday. Now i'm running Ubuntu 22, ChromeOS 94 and Windows 11. ChromeOS can be installed with full App Store Support with "brunch" (https://github.com/sebanc/brunch). Only ChromeOS 94 and brunch 102 is working with this device.

Chrome OS 94 (rammus):
https://dl.google.com/dl/edgedl/chr..._rammus_recovery_stable-channel_mp-v2.bin.zip

brunch 102:
https://github.com/sebanc/brunch/re...e-20220625/brunch_r102_stable_20220625.tar.gz

Installation (UEFI enabled) is easier right now: First i installed Ubuntu in a new 45 GB partition, then ChromesOS (brunch) in a 20 GB partition and finally Windows 11 for the last partition.

If i had to restart and had to choose a boot device i used "efibootmgr --nextboot ID" in ubuntu console because UEFI device boot menu is not working.

GRUB still needs to be modified and compiled to get the hard buttons to work in the boot grub menu (see my old post)
1. install git with:
sudo apt install git
2. clone grub and edit menu.c (see older post):
git clone https://git.savannah.gnu.org/git/grub.git
3. install needed packages:
sudo apt-get update && sudo apt-get install make binutils bison gcc gettext flex autoconf autopoint pkg-config grub-common libfreetype6-dev unifont gawk
4. run bootstrap:
./bootstrap
5. configure:
./configure --with-platform=efi --target=x86_64
6. make:
make && sudo make install
7. install grub
sudo grub-install

grub config menues i added
menuentry "Windows 11" --class "windows" {
search --fs-uuid --no-floppy --set=root UUID_OF_YOU_FIRST_VFAT_PARTITION
chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}

menuentry "ChromeOS" --class "brunch" {
img_path=/chromeos.img
img_uuid=UUID_BRUNCH_INSTALLER
search --no-floppy --set=root --file $img_path
loopback loop $img_path
source (loop,12)/efi/boot/settings.cfg
if [ -z $verbose ] -o [ $verbose -eq 0 ]; then
linux (loop,7)$kernel boot=local noresume noswap loglevel=7 options=$options chromeos_bootsplash=$chromeos_bootsplash $cmdline_params \
cros_secure cros_debug img_uuid=$img_uuid img_path=$img_path \
console= vt.global_cursor_default=0 brunch_bootsplash=$brunch_bootsplash quiet
else

linux (loop,7)$kernel boot=local noresume noswap loglevel=7 options=$options chromeos_bootsplash=$chromeos_bootsplash $cmdline_params \
cros_secure cros_debug img_uuid=$img_uuid img_path=$img_path
fi
initrd (loop,7)/lib/firmware/amd-ucode.img (loop,7)/lib/firmware/intel-ucode.img (loop,7)/initramfs.img
}

menuentry "ChromeOS (settings)" --class "brunch-settings" {
# rmmod tpm
img_path=/chromeos.img
img_uuid=UUID_BRUNCH_INSTALLER
search --no-floppy --set=root --file $img_path
loopback loop $img_path
source (loop,12)/efi/boot/settings.cfg
linux (loop,7)/kernel boot=local noresume noswap loglevel=7 options= chromeos_bootsplash= edit_brunch_config=1 \
cros_secure cros_debug img_uuid=$img_uuid img_path=$img_path
initrd (loop,7)/lib/firmware/amd-ucode.img (loop,7)/lib/firmware/intel-ucode.img (loop,7)/initramfs.img
}
Click to expand...
Click to collapse

If you don't see you grub boot menu edit "/etc/default/grub":
1. remove or comment line: GRUB_TIMEOUT_STYLE=hidden
2. set timeout higher than 0: GRUB_TIMEOUT=5

That's it! I hope this will help someone :)
 
Last edited:
D

danieleal

Senior Member
Aug 6, 2014
69
21
Xiaomi Poco F3
cert_ said:
Many years later :) My device (Acer Iconia W701) is still working and i reinstalled operating systems yesterday. Now i'm running Ubuntu 22, ChromeOS 94 and Windows 11. ChromeOS can be installed with full App Store Support with "brunch" (https://github.com/sebanc/brunch). Only ChromeOS 94 and brunch 102 is working with this device.

Chrome OS 94 (rammus):
https://dl.google.com/dl/edgedl/chr..._rammus_recovery_stable-channel_mp-v2.bin.zip

brunch 102:
https://github.com/sebanc/brunch/re...e-20220625/brunch_r102_stable_20220625.tar.gz

Installation (UEFI enabled) is easier right now: First i installed Ubuntu in a new 45 GB partition, then ChromesOS (brunch) in a 20 GB partition and finally Windows 11 for the last partition.

If i had to restart and had to choose a boot device i used "efibootmgr --nextboot ID" in ubuntu console because UEFI device boot menu is not working.

GRUB still needs to be modified and compiled to get the hard buttons to work in the boot grub menu (see my old post)
1. install git with:
sudo apt install git
2. clone grub and edit menu.c (see older post):
git clone https://git.savannah.gnu.org/git/grub.git
3. install needed packages:
sudo apt-get update && sudo apt-get install make binutils bison gcc gettext flex autoconf autopoint pkg-config grub-common libfreetype6-dev unifont gawk
4. run bootstrap:
./bootstrap
5. configure:
./configure --with-platform=efi --target=x86_64
6. make:
make && sudo make install
7. install grub
sudo grub-install

grub config menues i added


If you don't see you grub boot menu edit "/etc/default/grub":
1. remove or comment line: GRUB_TIMEOUT_STYLE=hidden
2. set timeout higher than 0: GRUB_TIMEOUT=5

That's it! I hope this will help someone :)
Click to expand...
Click to collapse
Hey man, thanks for your instructions, I was able to make the modifications and they are working (I think), as c=cycles down the menu and b selects the option... I'm on a surfaceGO2, in windows with KeyPose.exe it reads C=volume down B=volume up, in grub it doesn't recognize my volume buttons as anything, so maybe I'm missing something, can you give me a hint? Thanks! 🫡
 
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    Thatgrass
    Thatgrass
    I am not responsible for any damage happening to your device by doing this!

    I believe Windows 8 is great for productivity, but that's not Always what we are looking for. We want to experiment with our devices and get as much out of them as possible. Android gives us the freedom to do with this tablet what we never thought possible, the overall performance is incredible and graphics are buttery smooth. However, I couldn't find a suitable guide, so I created one myself. So let's get started!

    Bug list:

    • Everything should be working fine, contact me if not

    Requirements:

    • USB Stick with at least 512 MB storage
    • USB Keyboard
    • USB-hub, because the tablet only has 1 USB port
    • Latest image available for Generic UEFI Installer from here
    • Image Writer Tool from here

    Setting up a bootable USB
    1. Download Image Writer Tool, unpack it and run the ''Win32DiskImager.exe" file
    2. Once opened, navigate to your *.img file you downloaded earlier in the requirements and hit "Write" (This will format the USB drive)
    3. Let it run and once it's done your USB is good to go.
    ​
    Setting up tablet to boot from USB
    1. Enter BIOS settings by pressing the power (and hold it) and the Windows button
    2. Once there, make sure UEFI boot modus is set​

    Booting from USB
    1. Make sure your tablet is turned off
    2. Plugin your USB-hub with USB Stick and Keyboard insered
    3. Power on your devices while pressing the ''F12'' button
    4. Now choose your USB device from the boot options
    5. You'll get a few options, choose the option that fits your expectations
    Note: I'd dualboot and install gummibootloader
    6. Choose your prefered option and wait, the installation will run automatically
    7. Once done, unplug everything and power off the device
    8. When you turn your tablet back on, you'll see (if you've chosen option a. or b.) a menu with the option to boot Windows or Android
    9. Navigate with volume DOWN key and select with volume UP key
    ​

    This Method could also be used for the Samsung XE700T

    Thanks to
    LuNaTum
    For creating a guide on how to change DPI
    For creating a guide on how to pair bluetooth devices to Android and Windows
    __________________________________
    ​

    Q&A
    Q:
    How do I install Google Play Store and other Gapps?
    A:
    1. Download a root explorer from Internet in .apk format, I recommend ES file explorer. (I think you are familiar with the way to install these)
    2. Go in ES file explorer, then click settings and enable root exploring and root access (allow any prompt)
    3. Download GoogleServicesFramework.apk from here
    4. Copy with ES file explorer the downloaded .apk to /system/app/
    5. Now reboot the tablet into Android
    6. Download PlayStore_v4.1.10.apk from here
    7. Repeat step 4. and 5. with PlayStore_v4.1.10.apk
    8. Congratulations, you've installed the Google Play Store
    9. If you want to install other Gapps, download the .apk and repeat step 4. and 5.
    Note: If you don't see the app installed after reboot, try changing the .apk's permission to RW-R--R-- and reboot again

    Q:
    I can't enter BIOS by holding ''Windows''-button and ''Power''-button
    A:
    1. Press ''Windows''-button and ''Power''-button at the same time
    2. Let go when the ''Acer''-bootlogo appears
    3. Congratulations, you've entered the BIOS

    Q:
    I can't boot from USB, because the secure boot prohibits it
    A:
    1. Enter BIOS by pressing ''Windows''-button and ''Power''-button at the same time
    2. Set up a supervisor password
    3. Congratulations, now you can disable secure boot

    Q:
    The ''Gummibootloader doesn't appear when booting, but Windows boots normally
    A:
    1. Enter BIOS by pressing ''Windows''-button and ''Power''-button at the same time
    2. Change bootorder so Android comes in first place and Windows second
    3. Congratulations, you've now got Gummibootloader at boot

    Q:
    Android-ia1 installed perfectly, but later versions fail to install
    A:
    1. Go to Acers site
    2. Navigate to Home page > Support > Drivers and Manuals > Select [your..tablet] > BIOS
    3. Download the latest BIOS
    4. Update the devices BIOS
    5. Congratulations, you'll be able to install Android-ia2 and later

    Q:
    What other devices will also be combatible with this method?
    A:
    Samsung XE700T

    Q:
    How to get bluetooth mouse and keyboard working on Android and Windows at the same time?
    A:
    1. Pair your bluetooth devices first with android and the with Windows
    2. On Windows download PsExec
    3.Then from downloaded file copy PsExec.exe in Windows to directory C:\Windows\System32 or to directory where your System32 folder is.
    4. Write in the search cmd and run it as administrator
    5. Then use command: psexec -s -i regedit.exe
    6. Now go to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTHPORT\Parameters\Keys
    7. From \Keys you can find your paired bluetooth devices. First there is the devices bluetooh mac address and 32 numbers long linkkey. Now write those linkeys and mac addresses up or copy them.
    8. Now everything is set on Windows side. Next boot to android.
    9. On android you need again for example ES file Explorer and R/W rights
    10. With file Explorer fro root go to /data/misc/bluedroid/
    11. Open file called BT_config.xml
    12. From text find your devices using mac address
    13. When you find you devices mac addres scroll down and you should see line with linkkey and 32 number code.
    14. Now take that 32 number code you got from Windows
    15 You have to change it little so the linkey works and here how it's done:
    for example your Windows linkkey is "12345678qwertyuiasdfghjkpoiuytre" now set it as 8 number clusters like this
    "12345678 qwertyui asdfghjk poiuytre"
    Now you have to reverse those 8 number clusters
    Take the set on far right "poiuytre" and mark it like this "po iu yt re"
    Now reverse those pairs like this "re yt iu po"
    Now "reytiupo" this is the first line in the new linkkey
    Do the same for other three cluster. After it's done this example linkkey looks like this "reytiupojkghdfasuityerqw78563412"
    16. When you have your modified Windows linkkey ready you can just replace the old one from the file BT_config.xml
    17. Now just reboot android and your keyboard and mouse should work.

    Q: How to change DPI from 213 to 160 (or something else)
    A:
    1. Get file manager on android like ES file Explorer
    2. R/W rights to whole system on android
    3. From root go to /system/etc/machine-props/
    4. Open acer-w700.prop with ES Explorer and edit line "ro.sf.lcd_density = 213" and change 213 to 160
    5. Reboot android and system should now be 160 DPI
    ​
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    2
    G
    GoodDayToDie
    Pretty sure even if you didn't run into any architecture problems (and you will) trying this on RT, you'll probably be blocked by Secure Boot preventing the use of a non-Microsoft bootloader. We haven't managed to crack that yet. You can try it anyhow, and report back what you find, but don't expect it to work.
    View
    2
    S
    SixSixSevenSeven
    mmm273 said:
    will this working on Iconia W500?
    Click to expand...
    Click to collapse


    No as that is a clovertrail device. Clovertrail is physically incapable of booting into anything other than windows 8, Intel locked it for this generation silicon only, bay trail has the restriction lifted.


    sstory792 said:
    Sorry I meant Surface RT

    Sent from my SGH-T999 using xda premium
    Click to expand...
    Click to collapse

    Thatgrass said:
    Hmm, then you could try this image, but I can't promise anything ;) at least this one isn't especially for x86 system

    Sent from my HTC One X+ using xda app-developers app
    Click to expand...
    Click to collapse
    surface RT is ARM. Android IA is android Intel architecture, ie, x86 with Intel extensions, ie Intel core i3 and above only. There is no such thing as an operating system which is not architecture locked, I would have looked into that before writing the tutorial if I were you....
    View
    2
    R
    ruagun
    The latest build comes with the framework and play store built in.
    View
    2
    Thatgrass
    Thatgrass
    airicd22 said:
    When I download the play store and install it. It will open for half a second them close. What am I doing wrong here?

    Sent from my HTC One using xda premium
    Click to expand...
    Click to collapse

    Download the framework and the play store both and put them in system/app/ directory, change permissions and reboot into android, now it should be working!

    Sent from my HTC One X+ using xda app-developers app
    View

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