Cannot install Ubuntu 20.04 LTS Alongside Pre-Installed Windows 10

Bug #1911827 reported by Daniel LeBlanc
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Also reported for Ubuntu 16.04.4 LTS: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1911578

Also reported for Ubuntu 18.04.5 LTS: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1911814

Hello.

I am trying to install Ubuntu 20.04.1 LTS from newly written USB alongside pre-installed Windows 10 on a new Acer Aspire TC-895-EB11 desktop.

I expected that the install process would recognize the free partition created on the GPT disk, but it did not.

I had previously reviewed and followed the steps in this guide (https://askubuntu.com/questions/221835/how-do-i-install-ubuntu-alongside-a-pre-installed-windows-with-uefi).

I found an additional and more up-to-date guide here: https://help.ubuntu.com/community/Installation and as a result was able to also disable Fast Startup, but this did not resolve the issue. Secure Boot was enabled during this install attempt.

I am able to proceed through the minimal install with no package upgrades or 3rd party downloads normally until I reach the "Installation type" screen. It never displays any information within the table (i.e. Device, Type, Mount point, Format?, etc.). As a result, I am not able to proceed with the install.

As recommended in the first guide described above, I am submitting this bug report. Any assistance would be much appreciated! I only purchased this desktop to run Ubuntu, but would prefer to keep the Windows 10 partition usable in case I ever want to use it.

Thanks!
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.4
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ubuntu 6764 F.... pulseaudio
CasperMD5CheckResult: pass
CasperVersion: 1.445.1
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
LiveMediaBuild: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: Acer Aspire TC-895
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
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 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/username.seed maybe-ubiquity quiet splash ---
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-42-generic N/A
 linux-backports-modules-5.4.0-42-generic N/A
 linux-firmware 1.187.2
Tags: focal
Uname: Linux 5.4.0-42-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 05/19/2020
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: R01-A0
dmi.board.name: Aspire TC-895
dmi.board.vendor: Acer
dmi.board.version: V:1.0
dmi.chassis.type: 3
dmi.chassis.vendor: Acer
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR01-A0:bd05/19/2020:svnAcer:pnAspireTC-895:pvr:rvnAcer:rnAspireTC-895:rvrV1.0:cvnAcer:ct3:cvr:
dmi.product.family: Aspire T
dmi.product.name: Aspire TC-895
dmi.product.sku: 0000000000000000
dmi.sys.vendor: Acer

Revision history for this message
Daniel LeBlanc (djleblan) wrote : AlsaInfo.txt

apport information

tags: added: apport-collected focal
description: updated
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Daniel LeBlanc (djleblan) wrote : CRDA.txt

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Daniel LeBlanc (djleblan) wrote : CurrentDmesg.txt

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Daniel LeBlanc (djleblan) wrote : IwConfig.txt

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Daniel LeBlanc (djleblan) wrote : Lspci.txt

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Daniel LeBlanc (djleblan) wrote : Lspci-vt.txt

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Daniel LeBlanc (djleblan) wrote : Lsusb.txt

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Daniel LeBlanc (djleblan) wrote : Lsusb-t.txt

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Daniel LeBlanc (djleblan) wrote : Lsusb-v.txt

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Daniel LeBlanc (djleblan) wrote : ProcCpuinfo.txt

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Daniel LeBlanc (djleblan) wrote : ProcCpuinfoMinimal.txt

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Daniel LeBlanc (djleblan) wrote : ProcInterrupts.txt

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Daniel LeBlanc (djleblan) wrote : ProcModules.txt

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Daniel LeBlanc (djleblan) wrote : PulseList.txt

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Daniel LeBlanc (djleblan) wrote : RfKill.txt

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Daniel LeBlanc (djleblan) wrote : UdevDb.txt

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Daniel LeBlanc (djleblan) wrote : WifiSyslog.txt

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Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Status changed to Confirmed

This change was made by a bot.

Changed in linux (Ubuntu):
status: New → Confirmed
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Daniel LeBlanc (djleblan) wrote :

Hello All.

The root cause was determined to be that Ubuntu could not see the installed hard drive, which was verified using a number of commands including 'fdisk -l' from the installation environment. I had another look at the system BIOS settings and changed 'Onboard SATA Mode' from 'Intel RST Premium' to 'AHCI'. This allowed the Ubuntu 20.04 (and 16.04) install to recognize the hard drive partitions during the install and still allows Windows to boot normally. I was able to complete the Ubuntu 16.04 install without difficulty after making this change. I did not validate than Ubuntu 20.04 would install correctly but suspect that it would have given the same symptoms were presented.

Thanks!

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