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First of all to notice that my question is about why Installed Ubuntu in a usb key does'nt boot and Try Ubuntu Live does. And why it boots in one laptop and not in another. I didn't found any similar question, so this one is not duplicated question....

I've created a bootable USB key drive (1), from an Ubuntu 18 installed in my desktop computer, using the "Startup Disk Creator" tool

With this USB Key I'm able to boot my laptop (HP Probook 430 G5), and I get a grub menu and I can select Try Ubuntu without install or Install ubuntu, etc. It runs OK.

But I'm not able to boot the same laptop with another USB Key (2) with Ubuntu Installed from the first USB Key (1) using the Install Ubuntu menu option, or booting firts USB Key (1) with Try Ubuntu and then running "Install ubuntu"... It gets me into Bios setup again and again without booting (selecting to boot with USB Key (2) and USB Key (1) removed.

I've checked that this second USB Key (2) in another laptop (HP Probook 430 G2) and IT BOOTS OK ¿? what's wrong? I've tried also to use different USB Keys (i've tried 3 different for both (1 and 2).

Why the 'try ubuntu' usb key (1) boots OK and the installed ubuntu one (2) does not? Anyone here is able to help me?

Xvilar
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1 Answers1

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Problem: No ESP in the USB key 2

The booting issue is probably because there is no EFI System Partition (ESP) created in the USB Key 2, during installation. See this answer for how to solve this problem

Also see Installing Ubuntu without touching Windows

Also see the Option 2: Two Drives Two ESPs section of this answer for details about using the Something Else and creating ESP partition manually.

Hope this helps

user68186
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