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I just installed Gentoo onto an SD card, not an the minimal ISO, the entire OS. I want to boot from the SD card, however it does not show up as a device to boot from, what should I do? Also how do I make it the default device to boot from?

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  • why do you believe that your computer is capable of booting from an SD card?
    – jsotola
    Commented May 26, 2020 at 1:06
  • I mean that is how raspberry pis work
    – user398085
    Commented May 26, 2020 at 2:06
  • are you booting a raspberry pi?
    – jsotola
    Commented May 26, 2020 at 2:21
  • No I am booting an HP stream laptop
    – user398085
    Commented May 26, 2020 at 2:22
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    then it most likely will not boot from SD card ... if you plug in a blank USB thumb drive, then the thumb drive will show up in boot options ... put in a blank SD card and check the boot options ... it will most likely not be there
    – jsotola
    Commented May 26, 2020 at 2:28

1 Answer 1

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As I can't comment, you should first try:
http://multibootusb.org/page_download/
there is a package for Gentoo there.

Also I think you should use the sd-card on a usb adapter to let it be recognized thru usb.

To make it default, you should configure it thru grub. Or if you mean in a hardware way, you should setup the BIOS to look at it first, if possible at all.

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  • I want to put it in the SD card slot not a USB port.
    – user398085
    Commented May 25, 2020 at 23:35

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