loglevel=3 iommu=pt acpi_backlight=native
iommu=pt
Solves sudden freeze of graphics Arch Forum Linkacpi_backlight=native
Solves back light "failed" message during boot Arch Wiki- Use it with other params e.g.
loglevel=3 iommu=pt acpi_backlight=native apparmor=1 security=apparmor quiet
- install kernel module https://aur.archlinux.org/packages/rtl8821ce-dkms-git/
- stop and disable netctl
- start and enable NetworkManager
Note:
- during installation there will be no internet
- I connected internet using my cellphone usb tether.
- other options to connect to internet during installation are : connect wired net or connect using linux detectable usb wifi adapter