Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.
Work through these checks
0 of 2 complete01Clear NVRAM via EFI shell
Clear NVRAM via EFI shell.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
02Update the BIOS
Update the BIOS.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
Possible causes
- Too many OS installed
- UEFI error (eg creating duplicate entries)
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