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dual boot windows10/ubuntu16.10
sadrazam
Member Posts: 4
Hello,
I have bought an Aspire TC-710 with Windows 10 pre-installed. It works fine, no problem. I would like to use Ubuntu 16.10 as alternative OS and I tried to install it on the computer.
I prepared a bootable USB stick with Ubuntu 16.10 on it and, using the F12 key to choose the first boot device, I could boot on the USB stick.
I could then install Ubuntu 16.10 on new ext4 partition, I created also a linux-swap partition.
But I am now not able to access Ubunto because I could not create the dual boot Windows10/Ubuntu16.10.
Despite reading various posts on Internet, I could not achieve the dual boot.
I don't know to use UEFI and boot managers. Does somebody how to find a solution.
Thank you for your help.
Computer
Aspire TC-710 - proceoor Intel 17-6700
The BIOS configuration is as follows:
BIOS R01-A2
v2.17.1254
BIOS menus:
Authentication
--------------
System Boot State user
Secure Boot Mode State enabled
Secure Boot enabled
Secure Boot Mode standard
Default Key Provisioning enabled
Security
--------
Supervisor password installed
User password not installed
TPM device selection PTT
Boot
----
Boot priority order
1st boot device Windows Boot Manager
2nd CD & DVD
3rd Removable device
4th LAN
HDD priority Windows Boot Manager
The following information is obtained from boot-repair application:
sda1: __________________________________________________________________________
File system: vfat
Boot sector type: Windows 8/2012: FAT32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /EFI/Boot/bootx64.efi /EFI/ubuntu/MokManager.efi
/EFI/ubuntu/fwupx64.efi /EFI/ubuntu/grubx64.efi
/EFI/ubuntu/shimx64.efi
/EFI/Microsoft/Boot/bootmgfw.efi
/EFI/Microsoft/Boot/bootmgr.efi
/EFI/Microsoft/Boot/memtest.efi
/EFI/OEM/Boot/bootmgfw.efi /EFI/OEM/Boot/bootmgr.efi
/EFI/OEM/Boot/memtest.efi
sda2: __________________________________________________________________________
File system:
Boot sector type: -
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
sda3: (Windows)_________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /bootmgr /Windows/System32/winload.exe
sda4: (Data) ____________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda5: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda6: (Ubuntu) __________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 16.10
Boot files: /boot/grub/grub.cfg /etc/fstab
sda7: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
0
Best Answer
-
IronFly
ACE Posts: 18,416 
Trailblazer
from windows 10 try this:
windows logo key + x
Command prompt (admin)
then type on the command prompt
bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi
then close the command promtp and reboot
this will add an entry to windows boot manager that can let you choose between the 2 OS to boot.
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FAQ & Answers
from windows 10 try this:
windows logo key + x
Command prompt (admin)
then type on the command prompt
bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi
then close the command promtp and reboot
this will add an entry to windows boot manager that can let you choose between the 2 OS to boot.
On my Acer desktop computer, all I did was disable secure boot. That's it. Nothing else.
Sounds like you're making something so simple........very complicated. Maybe you should just start over.
Hi IronFly,
Thank you for your reply. What you proposed works well. I have just disabled the Secure Boot to make this change available.
Hi JordanB,
I tried at first to only disable the Secure Boot, but it didn't work. It seems it was not sufficient. Probably we don't use the same BIOS.
I applied IronFly recommendation, but I had to disble the Secure Boot too.
I read some posts on Ubuntu forums that recommend to keep the Secure Boot enabled.
Finally it works now perfectly. Thank you for your help.
Right. But from the very beginning, if you would have just disabled secure boot, it would have worked fine.
When you read certain posts on this forum and the internet, you have to make sure you're reading a post about an Acer desktop. Don't read posts about Acer laptops when you're trying to install linux because you have an Acer desktop.
You should also update your BIOS.
http://www.acer.com/ac/en/US/content/support-product/6393?b=1
Hi
Can you help me with the same for CentOS 7 too?
What command should I use for CentOS 7?
I have already disabled Secure Boot in UEFI/BIOS, however, I don't get the option for CentOS 7
Is there a GUI approach to achieve this?
After changes have been done, if I need to restore UEFI/BIOS back to original, what needs to be done?
Hi,
I don't know CentOS, but I think it is the same process as what I did to have Ubuntu/Windows dual-boot.
As you have removed the Secure Boot, you can install your partitionning and CentOS on a particular partition from your USB stick.
I had also to put a BIOS password. Then follow Iron Fly recommendation (see hereunder).
from windows 10 try this:
windows logo key + x
Command prompt (admin)
then type on the command prompt
bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi
then close the command promtp and reboot
After that, it will accept the dual-boot.
With the Fall Creator's Update, which just installed, the problem has come back.
Additionally to the above I see references to 'trusting' the file with ACER UEFI, but that may have been for laptops. I have no such option in my BIOS.
Try this step-by-step with particular attention to steps 2 and 9 or you may not be able to see or enter a trusted UEFI efi file option in the BIOS menu. Because you have a desktop there may be rearrangement of options under the BIOS menu dropdown tabs.
( 0) Use Windows disk manager to pre-shrink Windows partition to make desired unallocated space for Linux installation.
( 1) Make bootable GPT/FAT32(default) stick from the Linux install iso with Rufus.
( 2) Set BIOS supervisor password(SECURITY), disable secure boot(BOOT)& enable F12 Windows boot mgr (MAIN). Save BIOS settings & exit.
( 3) Shutdown & insert bootable Linux stick
( 4) Turn back on while immediately tapping F12. Select Linux stick to run.
( 5) Preferrably select a default Linux install option
( 6) Follow on-screen instructions to install alongside Windows.
( 7) Let Linux automatically set & resize partitions for Linux & its swap. Adjust for more or less space only if absolutely necessary.
( 8) Shutdown & remove Linux stick.
( 9) Turn back on while tapping F2 or ESC or DEL.
( 9) Re-enable secure boot(BOOT) & select UEFI file as trusted(MAIN). Select HDD0, SSD0 or eMMC0, then <EFI>, then <ubuntu>, then grubx64.efi the UEFI file. Enter grubx64.efi in the space provided if selecting it doesn't automatically enter it. Save BIOS setting and exit.
(10) Boot into Windows. Then shutdown again.
(11) Turn back on while tapping F12.
Good luck
Jack E/NJ