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Budoka
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Joined: 03 Jun 2012
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Location: Tokyo, Japan

PostPosted: Wed Feb 05, 2020 2:52 am    Post subject: Can't boot from USB[SOLVED] Reply with quote

In the process of doing a Gentoo install on a new laptop and have hit my first snag. It isn't "exactly" Gentoo related but there is a wealth of knowledge on the forums so trying here first.

In my previous install, I successfully used sysrcd on a USB to do it. I am trying to boot my new laptop, HP Spectre 360 https://support.hp.com/id-en/document/c06452728, from the same USB but it fails with a
Quote:
Selected boot image did not authenticate
message.

In addition to the sysrecd USB failing I have tried my Puppy Linux and Tails USB as well and they trigger the same message...even if I navigate manually to the boot file.

All 3 USB's boot my current laptops and desktop successfully with no issue so it isn't a problem with the USB's or distros on them.

Any ideas?


Last edited by Budoka on Sat Mar 07, 2020 1:55 pm; edited 1 time in total
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guitou
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PostPosted: Wed Feb 05, 2020 1:59 pm    Post subject: Reply with quote

Hello.

Maybe a security option you should turn off in your laptop bios...

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Gi)
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Budoka
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PostPosted: Fri Feb 07, 2020 9:55 am    Post subject: Reply with quote

guitou wrote:
Hello.

Maybe a security option you should turn off in your laptop bios...

++
Gi)


Thanks, guitou. I found a "Secure Boot" setting in the BIOS so I thought you might have been on to something but unfortunately, although it got rid of the
Quote:
Selected boot image did not authenticate
error, disabling it still doesn't let me boot from USB. I also scoured the BIOS for a Legacy USB setting but there doesn't seem to be one. Ugh. I guess I am going to have to visit the Manufacturer and Windows 10 forums respectively. I was hoping to be able to avoid that. LOL
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DONAHUE
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PostPosted: Fri Feb 07, 2020 12:34 pm    Post subject: Reply with quote

http://h10032.www1.hp.com/ctg/Manual/c06489330
in your "Bios Setup"
System Configuration Menu -> Boot Options -> USB Boot -> [Enabled] ?? or -> [Enable] ??
Pretty subtle needing that ending 'd'
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guitou
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PostPosted: Fri Feb 07, 2020 12:38 pm    Post subject: Reply with quote

Hello.

Did you check if USB drive is detected at boot, at least? If not, you might try your drive on different ports and see if that helps...
Besides, you might also double check your BIOS options for one regarding boot from USB (might be disallowed...), or even boot drive priority...

Wish you good luck.

++
Gi)

Edit: arf, coiffé sur le poteau!
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Budoka
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PostPosted: Sat Mar 07, 2020 1:55 pm    Post subject: Reply with quote

Thank you for the tips, everyone. After some difficulty, I was able to sort this out.

The biggest hurdle was that the new laptop which I was trying to boot does not have Legacy USB support in the BIOS. It took some time to actually figure that out. I don't know if that is the trend now but in the case of the HP Spectre series, it is.

The second issue was that all of the bootable USB media that I had were old enough that they did not support UEFI boot. Of course, that wasn't readily apparent to me so was banging my head against the proverbial wall trying to get something to work...that couldn't.

Once I created new USB media that did support UEFI I still had to disable secure boot in the BIOS to use it.

So, just in case anyone else stumbles on this thread...

1) Determine if the box you're trying to boot's BIOS supports Legacy USB or not.
2) Make sure the install media supports UEFI boot if the BIOS does not support legacy USB.
3) Disable Secure Boot.
4) I saw some documentation indicating that Fast Boot needed to be disabled as well but in my case, it wasn't necessary.
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