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I've installed Ubuntu 16.04 on my Acer Aspire ES 11-131 laptop.

I choose to Erase Windows 10 and install Ubuntu. My laptop was way too slow in Windows 10, so I just wanted to get rid of it.

My problem is that whenever I switch on the laptop the Ubuntu GRUB menu doesn't show the Ubuntu OS. It only shows

Try Ubuntu
Install Ubuntu
OEM install
disc repair

If I boot without the live USB I get no bootable device found.

I have installed in UEFI mode only and have run boot repair, clicked recommended repair but it didn't fix the problem. Boot repair said

Please do not forget to make your BIOS boot on sda1/EFI/ubuntu/shimx64.efi file

New boot info summary

Old boot info summary

UEFI menu

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Turn on Secure boot from under Boot Tab.

  • Go to the Security tab and look for Select an UEFI file as trusted for executing and select enter
  • Navigate to shimx64.efi and press enter.

Might be something like this.

Security menu in UEFI settings

Save changes and exit. Now you should be able to boot.

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