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Tag : boot  
Link: 🔍 See Original Answer on Ask Ubuntu 🔗

URL: https://askubuntu.com/q/1180697
Title: The computer didn't automatically boot from USB,
ID: /2019/10/13/The-computer-didn_t-automatically-boot-from-USB_
Created: October 13, 2019    Edited:  December 8, 2020
Upload: November 24, 2022    Layout:  post
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This article has detailed steps for creating Ubuntu 18.04 Live USB and booting it:

The part you are stuck on now is getting BIOS to boot the Live USB:

Access Boot Menu

To access Boot Menu on your computer you will need to hit different keys (or combination of keys) depending on your computer type. Here is the list of possible keys you may have to press depending on your PC:

Device Key Combination Comment
Acer Esc, F12 or F9 F12 key most likely
Apple the key is also known as Option or Alt
Asus F8 or Esc  
Compaq Esc or F9  
Dell F12  
eMachines F12  
Fujitsu F12  
HP Esc or F9  
Lenovo F8, F10 or F12 Other possibilities: Novo button or Fn + F11
Samsung Esc or F2 or F12 For ultrabooks from Samsung disable the fast boot option in BIOS/UEFI. See next section.
VAIO Esc, F10 or F11 Other possibilities: Assist button
Toshiba F12  

These are the keys to override the boot priority for a single session. There are other keys for accessing the full BIOS/UEFI menus below.


Access BIOS/UEFI

To access BIOS/UEFI on your computer you will also need to hit different keys (or combination of keys) depending on your computer type. Here is the list of possible keys you may have to press depending on your PC:

Key combinations for accessing BIOS/UEFI Device

Device Key Combination Comment
Acer Del or F2 F2 key most likely
Asus Delet or Del  
Compaq F10  
Dell F2  
eMachines Tab or Del  
Fujitsu F2  
HP Esc, F10, F11 Other possibilities: on Pavilion - F1
Lenovo F1 or F2 Other possibilities: small button next to the Power button (if laptop)
Samsung F2 For ultrabooks from Samsung if might be F10
VAIO F1, F2, F3 Other possibilities: Assist button
Toshiba F1, F2, F12 or Esc  
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