UEFI Shell - Startup Error

What is UEFI-SHELL-ERROR?

The UEFI-SHELL-ERROR error is categorized as a high-severity firmware issue that can significantly impact your PC's stability. The system booted into the UEFI shell instead of the OS. The boot record is missing or corrupted. When experiencing the UEFI Shell - Startup Error fault, users often report sudden system crashes, unresponsive behavior, or a blue screen of death (BSOD). In most diagnostic scenarios, this problem is directly triggered by underlying hardware or software complications such as corrupted efi bootloader, deleted efi partition and bad boot order. To permanently resolve the UEFI-SHELL-ERROR issue and prevent further system degradation, it is highly recommended to follow our step-by-step troubleshooting guide below, ensuring your firmware components are functioning correctly.

Common Causes

• Corrupted EFI bootloader
• Deleted EFI partition
• Bad boot order

Step-by-Step Fix Guide

• 1
  Set the correct boot device in the BIOS

  Applying the first fix (Set the correct boot device in the BIOS) addresses the most common root cause of UEFI-SHELL-ERROR and restores baseline functionality.

• 2
  Repair EFI with bcdboot

  If the problem persists, proceeding with the remaining steps ensures all edge cases related to sw-bios instability are covered.

• 3
  Run Startup Repair from Windows USB

Commands & Diagnostics