Hello! It seems that one of Android-related partition had been cleared after booting from Live-USB flash drive.
Could you please provide an image files for flashing back the Android partitions?
My model is Hi12 Z8350 dual-boot (Android 5.1 + Win10Home) (model CWI 520; s/n Q64G45171104517).
Thanks and regards!
Don’t touch the Bios please.