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may you can add a custom entry in grub for windows…

@Fenwick17 /dev/sda have a installed linux on it as it have exact same partitition Antergos is using by default.
The only issue i can see from her eis that windows is installed in legacy mode, as partition is DOS and not gpt and have no EFI partition on it… Antergos is installed on gpt in EFI-mode.

to me it looks like partly removed files from the partition…

I wish you luck! HAPPY RECOVERY ;)

you must have done something, as far as i know it is not possible to erase all the system related data with an update…

you do not have /bin /etc and /home …

Do you may try to save data from the device to another one?

I am not sure if it is may possible to recover filesystem with tools like testdisk or ddrescue, and this is also a long annoying procedure with the need to get knowledged abou howto do it…

this is how root filesystem should look like…

gparted shows it now as ext4, and you should see files on it (250 GO) inside filebrowser…
first the root filesystem of your messed up Antergos install and a folder called home with a folder named as your username…

i find that there is something screwed up with the login, as i find a hidden login button bottom right of the page, only visible if i scroll down:

when i click it i get auth0 login popup again ;)

@developers

@Djordje thanks for this finding!
I see other users with sort of a problem, so there is something wrong inside cnchi setup procedure maybe?

@developers

But to clearify Antergos is not setting up dualboot with windows on EFI automaticly, to keep setup more configurable.

So indeed you need to specify to use EFI/fat32 partition from windows, if not it will be created in another way.

Should look like this:

/dev/sda1        (EFI-fat32) 512M EFI-System
/dev/sda2     (boot) 512M Linux-Dateisystem
/dev/sda3    (root) 16,8G Linux-Dateisystem
/dev/sda4      (swap) 2G Linux Swap

So they is may something wrong at the installer if you choose EFI from windows …

@Djordje yes but we do not know what is wrong here… as it do not effect any system…