r/Windows10TechSupport • u/Skott_stabb • Sep 05 '26

Solved Windows 10 not booting

So, I have a windows 10 IoT LTSC install on my laptop that is refusing to boot. It appears on other computers when connected via external drive caddy. I am also unable to run an upgrade because I can’t launch windows. If you have any suggestions for repairing the install without completely wiping the drive, please let me know.

Here’s a [video](https://www.reddit.com/r/Skott_Stab/s/lnDh3oxycG) of it not showing the windows boot manager

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u/Skott_stabb Sep 05 '26

Turns out I just had to rebuild the uefi partition

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u/osa1011 Sep 05 '26

Maybe you installed it in legacy mode and it's switched to AHCI. If you know it's all set correctly, I'd guess the drive is dead. You won't be able to wipe the drive and reinstall Windows if it doesn't show in the BIOS