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I have an Acer Aspire V3575G with Windows 10 installed (UEFI mode) and I want to dual boot with Win 10 and Ubuntu 16.04.

I've followed several tutorials, I've read a lot, I also asked my friends who already have dual-boot in similar conditions (not my PC model) and they can't do it either on my PC.

Here are the steps I've followed:

  • Make a bootable USB drive using RUFUS (MBR partition or UEFI BIOS)
  • Shrink my HDD to create free space to Ubuntu (50 GB, I know it's plenty enough)
  • Boot from USB drive and select Install Ubuntu in Something else
  • Disable Secure boot (I also did it in the BIOS, UEFI or whatever spamming F2 key)
  • Created a swap partition (4GB) and ext4 partition with the free space
  • Installed alongside Windows Boot Manager

The installation worked fine, without any problems. After a reboot (asked by Ubuntu installation) my PC boots on Windows, it never takes me to GRUB menu no matter what I do. Additionally, I've disabled Fast Boot, tried to change the order of bootable devices and some BIOS/UEFI configs (like legacy mode) and nothing.

Does anyone have a suggestion? It would be very helpful.

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    Acer with UEFI requires you to set UEFI password and enable trust on grub/ubuntu's .efi boot files. Make sure you have newest UEFI from Acer, some threads mention downgrading UEFI, but newer ones say newest works. Acer Trust Settings - details: ubuntuforums.org/… and: ubuntuforums.org/… Also in step 35 askubuntu.com/questions/627416/…
    – oldfred
    Oct 4, 2016 at 22:15
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    Also do it again with Rufus and select the other option, GPT/UEFI. The default one will not boot in UEFI mode.
    – user589808
    Oct 4, 2016 at 23:45
  • Thank you so much. I was trying to solve this problems alongside with 2 colleagues and we didn't get anywhere. I followed the steps in the guide and now my PC starts with grub and dual boot works just fine. Again, thanks you a lot for the support!
    – Bruno Vieira
    Oct 9, 2016 at 15:30

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