leachim Posted October 16, 2025 Posted October 16, 2025 Think I made a boo boo Fiddled with efi or UEFI stuff Now won't boot into Wins 10 normal mode See pic for partitions - Windows seems to be in the D drive now There is a FAT32 which when given a drive letter in Diskpart actually has an efi directory Computer is set to secure boot Any advice appreciated !!
Bwood Posted October 22, 2025 Posted October 22, 2025 Looks like you’ve got a bit of a bootloader mix-up there — nothing too scary though. 😊 From that list vol, your EFI partition (the 100MB FAT32 one) isn’t properly linked to your current Windows install — likely because of switching between Legacy/UEFI or an old Win7 boot partition still hanging around. Try this fix: Boot from a Windows 10/11 install USB. Choose Repair your computer → Troubleshoot → Command Prompt. Run the following commands: diskpart list vol exit Note which drive is your Windows install (looks like E:) and which one is the EFI (the 100MB FAT32 — probably F:). Then rebuild the boot files: bcdboot E:\Windows /s F: /f UEFI That tells Windows to copy fresh boot files to the EFI partition and relink everything. Reboot, go into BIOS, and make sure UEFI mode and Secure Boot are enabled. You should see “Windows Boot Manager” appear again as a boot option. That should get you booting normally. If it doesn’t, double-check you don’t have both Legacy and UEFI boot entries competing for attention — the system can get confused fast when both are enabled. 1
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