
community/Installation/FromUSBStick#Notes_about_speed If you fail to boot from your SD card, you can try with an USB adapter, but you have better chances to succeed, if you get a fast USB 3 pendrive with at least 16 GB according to this link, Some computers (far from all) can boot from an SD card, which is connected via a built-in slot (typical in laptops).But some computers and adapters are not compatible for booting. Most computers can boot from an SD card, which is connected via a USB adapter.But it is 'more difficult' for the computer's early stages during boot, the UEFI/BIOS system, to see the SD card and be able to boot from it. In most cases the running operating system will see and read an SD card.
