Firmware · critical

How to fix Drop into the built-in EFI Shell

Error code: UEFI-SHELL-FALLBACK

What this error means

It started the EFI command interface instead of the operating system.

Updated

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Type 'exit' to return to BIOS
  1. Type 'exit' to return to BIOS
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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02Check the connection of the disk
  1. Check the connection of the disk
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Recreate the EFI partition in Windows PE
  1. Recreate the EFI partition in Windows PE
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Deleted EFI partition
  • Disk not found by BIOS