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For the past couple of months, I have been trying to install 20.04 on an Acer laptop. (I am a complete noob at Linux) All I can get it to do is cycle repeatedly at the startup splash screen. (Inserting the Live CD USB it boots perfectly fine) I have tried using the grub boot repair program with no change. Using the legacy setting in BIOS results in "no bootable device found". Disabling secure boot makes no difference.

I'm just at my wits end. Do I need to try a different bootloader? Is there some trick that I'm just not aware of?

I should mention that originally I was trying to install it on a USB hard drive- I finally just installed it directly to the SSD in the computer, and it still does the same thing.

James Hayward
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  • What model Acer? Most need you to enable "trust". Have you updated UEFI and SSD firmware? Acer Aspire 5 Model A515-54-5649 Intel Core i5-10210U Install Tutorial https://ubuntuforums.org/showthread.php?t=2437702 Acer Aspire E15 will not dual boot, many details Trust settings in step 35 http://askubuntu.com/questions/627416/acer-aspire-e15-will-not-dual-boot Acer Swift 5 (2019) ctrl-s in UEFI required to be able to change to AHCI mode. https://askubuntu.com/questions/1217061/installation-on-acer-swift-5-freezes-no-partitions-shown – oldfred Aug 17 '20 at 03:42
  • @oldfred thanks for the reply! I just looked into the bios and there were literally 100 boot files? I will study the links you provided and see if I can find something. – James Hayward Aug 17 '20 at 03:47
  • You need to remove duplicates. If UEFI entries, you may run out of NVRAM space, if too many. See: https://askubuntu.com/questions/1198221/cloning-ssd-also-cloned-boot-options/1198228#1198228 – oldfred Aug 17 '20 at 03:51
  • To answer your previous question, yes I have done the steps to add a "trusted file" in the BIOS settings. I'm curious as to where these multiple entries are coming from. I think they are being created at the boot up screen (where it keeps cycling over and over) – James Hayward Aug 17 '20 at 03:54
  • It says "System Bootorder not found. Initializing defaults. Creating Boot Entry "Bootxxxx with label "ubuntu" for file "\EFI\ubuntu\shimx64.efi" – James Hayward Aug 17 '20 at 04:32
  • Well, I solved the problem. Is there a way to mark this as solved and provide a link to the answer that helped me? – James Hayward Aug 17 '20 at 06:02
  • You can post your own answer and a day later accept it. – oldfred Aug 17 '20 at 14:23

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Following these instructions fixed my problem:

Unable to install Ubuntu on Acer Aspire ES1-533

This helped me get rid of all the extra boot files:

https://www.linuxbabe.com/command-line/how-to-use-linux-efibootmgr-examples

I basically copied and pasted the delete command in a text editor, then pasted it into the terminal window. I was able to delete dozens of the entries at a time! Just be careful when you type in the hex codes cuz this will do some damage if you get things wrong.

Thanks again to @oldfred for the help!

James Hayward
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