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I currently have a mini PC with a dead CMOS battery. Its got a built in/emmc install of windows 10, and a Proxmox install on a separate SSD. It'll boot into windows by default (even when I want it going into proxmox), and its kind of annoying to reboot, remember/hit the boot select or UEFI screen fast enough and pick an OS.

I can't remove the windows drive. Its soldered in.

On another system that runs linux, there's a command line way to boot into the UEFI

Is there an equivilent powershell or cmd builtin or other way to boot into UEFI from windows without going through the shift/restart dance?

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  • @Gantendo I think Journeyman Geek is testing us ;-) ?. I think this is the best way. Great comment (answer!), though you should have entered it as an answer.
    – vssher
    Aug 11 at 1:25
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    With the small addition that it needs to be run as admin, it works. As for 'testing' - its not really documented here, and we are trying to build a knowledgebase. This is both 'low hanging fruit' and surprisngly hard to find. @Gantendo you might want to post this as an answer ;)
    – Journeyman Geek
    Aug 11 at 1:36
  • Can you replace Windows on the soldered drive with Linux and configure GRUB so that it boots the other drive?
    – A.L
    Aug 11 at 12:36
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    I don't really want to - I'd like the option of getting it as stock as possible should someone else need it, and I should change the battery soonish which would solve the underlying issue
    – Journeyman Geek
    Aug 11 at 13:33

1 Answer 1

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shutdown /r /fw (requires elevation)

https://learn.microsoft.com/windows-server/administration/windows-commands/shutdown

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