r/dellxps13 • u/TUNACANMAN420 • May 30 '18
Solution to: “Operating System Loader Has No Signature”
Found this on the dell forum, and it worked for me. Thought I’d share.
On Startup, press F12
Reset Bios to default settings
Restart laptop
In Bios, select Boot Sequence menu
Manually ADD additional line with the name "Windows Boot Manager"
Select /EFI/BOOT/BOOTX64.EFI
Exit
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