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No bootable device after installing ubuntu

sx flag

So I decided to install ubuntu in my Laptop (Acer ES 14) in full installation means the windows is deleted, when the installation is finished it doesnt continue anymore no bootable device is showing.

I believe when I installed it the secure boot is enabled.

There's no legacy/uefi option in boot options and I already tried this instruction

https://community.acer.com/en/discussion/476726/es1-132-cannot-install-other-os-than-windows-10-bios-options-missing/p2?fbclid=IwAR3XKjXliJYedilVtq1hVVqfqelRA-kdtM9nIPxU6eg3j6_GAx9z3aNpy3M

I hope someone could help me, thank you.

oldfred avatar
cn flag
Some manufacturers are now using UEFI Class 3 which is no CSM or no legacy boot. You still should be able to have either UEFI Secure Boot on or off. Acer normally requires you to set trust. Not sure with newest versions. May be similar? https://unix.stackexchange.com/questions/615603/in-uefi-class-3-how-install-centos-8 Acer Aspire 5 Model A515-54-5649 Intel Core i5-10210U Install Tutorial https://ubuntuforums.org/showthread.php?t=2437702
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