12-19-2021, 08:28 PM
Check your BIOS: confirm if you're booting in UEFI (likely) or Legacy mode -- setup differs slightly in each case. But I bet this is yet another case of having Secure Boot engaged.
After that, try to configure your USB drive in accordance to boot your Ubuntu ISO: for details, see https://www.ventoy.net/en/doc_news.html...
After that, try to configure your USB drive in accordance to boot your Ubuntu ISO: for details, see https://www.ventoy.net/en/doc_news.html...
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