Attempted with mainline generic kernel at http://kernel.ubuntu.com
/~kernel-ppa/mainline/v4.15-rc3

The issue persists.  I can boot into the 4.15-rc3 kernel in recovery
mode fine.  In that case it comes up with the built in intel 800x640
resolution, not the nvidia graphics.

I've attached a zip folder of screenshots i took with my phone showing the boot 
log errors in non-recovery mode.
graphics.txt is the output from 
https://help.ubuntu.com/community/GraphicsTroubleshootingProcedure
using the 17.10 stable image.

A few other notes:
When I first installed I chose "other configuration" and created a partition 
for ubuntu (140 Gb) and a 32Gb swap partition.  Early on in troubleshooting I 
saw it hanging on mounting the swap so I used grub 2 superdisk live usb to 
delete the swap partition and in recovery mode removed the swap line from 
/etc/fstab

cat (hd0,gpt5)/etc/fstab

UUID=1b38 / ext4 errors=remount-ro 0 1
was on /dev/nvme0n1p5 during installation

UUID=a22E  /boot/efi.   vfat umask=0077 0 1
# swap was on /dev/nvme0n1p6 during install
#UUID=ed1d219b none swap sw 0 0
/dev/mapper/cryptswap1 none swap sw 0 0

I commented out the /dev/mapper/cryptswap1 line


** Attachment added: "asus screenshots of boot hang"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1738105/+attachment/5022680/+files/asus-20171214T160829Z-001.zip

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1738105

Title:
  asus zen ultrabook UX550VE-DB71T with 1050Ti graphics card will not
  boot

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Getting
  A start job is running for detect the available GPUs and deal with any system 
changes

  This looks like a reprise of
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1692305?comments=all

  'I disabled the splashscreen and I could see that the system hangs
  when trying to detect the GPU(s) showing the message:

  "A start job is running for detect the available GPUs and deal with
  any system changes "'

  I am so far unable to get a command prompt.  I will attached the requested 
logs if I am able to.
  --- 
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kesten     3015 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 17.10
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=9093411b-bc30-4888-a675-167b7cdb5c77
  InstallationDate: Installed on 2017-12-13 (0 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  MachineType: ASUSTeK COMPUTER INC. UX550VE
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-19-generic.efi.signed 
root=UUID=1b38d281-e123-4127-80f6-03162125bc89 ro recovery nomodeset
  ProcVersionSignature: Ubuntu 4.13.0-19.22-generic 4.13.13
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-19-generic N/A
   linux-backports-modules-4.13.0-19-generic  N/A
   linux-firmware                             1.169
  Tags:  artful
  Uname: Linux 4.13.0-19-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 09/12/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: UX550VE.303
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: UX550VE
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrUX550VE.303:bd09/12/2017:svnASUSTeKCOMPUTERINC.:pnUX550VE:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX550VE:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.family: UX
  dmi.product.name: UX550VE
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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